[Q] Question regarding Spark / Multiple Bands - Sprint HTC One (M8)

This could be a simple or complex Question/Answer...
Throwing the LTE bands out on the table for non-Spark devices (such as M7) vs. Spark devices (Such as M8)
M7: 1900mhz
M8: 850/1900/2600 MHz
Now those who had an M7 know the fallbacks with the 1900 spectrum. While driving around depending on your area, or limitations of wall penetration, it's very easy to loose LTE and fall back to 3G. Then it's no fun waiting to get back to LTE when your streaming music or video.
The reason I am posting this question is because I don't want to assume, I'd rather have feedback for someone with an M8. If you're inside a building, or driving, have you noticed an improvement with a spark phone?
For instance, is it possible to be on the 850 spectrum and NOT the 1900? or as soon as it looses the 1900 will it still fall back to 3G? I'll be honest, I love/hate LTE on non-spark phones. Love because its unlimited data, hate because of how easy it is to loose LTE. I've had several non-spark phones and had this issue between all of them, and I also have a Verizon phone which is on LTE over 99% of the time. I live in the Tri State Area in NY.
So the bottom line question... If only one band is available (say the 850 because it should theoretically have better wall penetration), will it use that band? Or.. is Sprint Spark all three bands or bust..back to 3G?

im pretty sure from what ive read that spark uses all bands at the same time, so if you lose one youll still be connected on the others until you lose them all. my area doesnt have 850 yet so i couldnt tell you but i definitely feel the diference between having 2500+1900 and only having 1900... when i have both i get aroung 35Mbps then i lose 2500 indoors and i get 5-8Mbps but my phone never "disconnects" from lte when im testing that
Sent from my SM-T217S using xda app-developers app

bigblueshock said:
This could be a simple or complex Question/Answer...
Throwing the LTE bands out on the table for non-Spark devices (such as M7) vs. Spark devices (Such as M8)
M7: 1900mhz
M8: 850/1900/2600 MHz
Now those who had an M7 know the fallbacks with the 1900 spectrum. While driving around depending on your area, or limitations of wall penetration, it's very easy to loose LTE and fall back to 3G. Then it's no fun waiting to get back to LTE when your streaming music or video.
The reason I am posting this question is because I don't want to assume, I'd rather have feedback for someone with an M8. If you're inside a building, or driving, have you noticed an improvement with a spark phone?
For instance, is it possible to be on the 850 spectrum and NOT the 1900? or as soon as it looses the 1900 will it still fall back to 3G? I'll be honest, I love/hate LTE on non-spark phones. Love because its unlimited data, hate because of how easy it is to loose LTE. I've had several non-spark phones and had this issue between all of them, and I also have a Verizon phone which is on LTE over 99% of the time. I live in the Tri State Area in NY.
So the bottom line question... If only one band is available (say the 850 because it should theoretically have better wall penetration), will it use that band? Or.. is Sprint Spark all three bands or bust..back to 3G?
Click to expand...
Click to collapse
Yes, if only one band is available, the M8 will only use that band as long as the signal is strong enough to stay on it. Spark enabled phones have the ability to connect to all 3 bands as you have mentioned but can only connect to a single band at any given time as far as I'm aware. Unless it uses some modulation technology. I haven't read much into it, though.
The 2600Mhz band offers the highest theoretical speed out of all of them. Sprint just calls all their Tri-Band phones, Spark enabled for simple identification and as another means of marketing both their network and devices.
I haven't noticed any issues when I'm driving on my normal routes with the M8. Though, with the M7, I would sometimes hit points where it would drop to 3G and Google Music would buffer slightly and resume playing shortly thereafter. I'm not entirely sure its due to the phone, though as it might just be Google Music caching more data or Sprint has worked on the towers recently. I also haven't paid much attention as to which bands, if any, it has been connecting to as I believe this area is still limited to 1900Mhz LTE.

skizzled said:
Yes, if only one band is available, the M8 will only use that band as long as the signal is strong enough to stay on it. Spark enabled phones have the ability to connect to all 3 bands as you have mentioned but can only connect to a single band at any given time as far as I'm aware. Unless it uses some modulation technology. I haven't read much into it, though.
The 2600Mhz band offers the highest theoretical speed out of all of them. Sprint just calls all their Tri-Band phones, Spark enabled for simple identification and as another means of marketing both their network and devices.
I haven't noticed any issues when I'm driving on my normal routes with the M8. Though, with the M7, I would sometimes hit points where it would drop to 3G and Google Music would buffer slightly and resume playing shortly thereafter. I'm not entirely sure its due to the phone, though as it might just be Google Music caching more data or Sprint has worked on the towers recently. I also haven't paid much attention as to which bands, if any, it has been connecting to as I believe this area is still limited to 1900Mhz LTE.
Click to expand...
Click to collapse
ahh. I was under the impression sprint was able to bond all 3 channels together to get a lot higher speed. but if it only connects to one at a time, that's a different story

bigblueshock said:
ahh. I was under the impression sprint was able to bond all 3 channels together to get a lot higher speed. but if it only connects to one at a time, that's a different story
Click to expand...
Click to collapse
That might very well be the case, I'm not entirely sure how the Tri-Band works on Sprint phones yet but will definitely be looking into it moreso since I have a M8.
Band 41 (2500Mhz) will offer higher theoretical speeds at the expense of less range and wall penetration.
Personally, I'm much more interested in Band 26 (800Mhz) as this will hopefully greatly increase range and improve reception. I've been on Sprint long enough to realize that I mostly use data services which don't require huge amounts of bandwidth and when I really need a fast connection, I have access to Wi-Fi more often than not.

Related

Sprint/Nextel EVDO network hack

Does enyone know how to get onto the EVDO network from Sprint that would allow us to Direct connect with Nextel phones? I have heard that since sprint has come out with phones that utilize the EVDO network to access the Nextel network, people have ripped the software and successfully connected via other Networks.
The Kaiser is a GSM-based phone. There is no way to connect to CDMA/TDMA/EVDO networks with it.
sprint sells a phone called the mogul, or known on xda as the titan, you may wanna check in there...
Mr. NotATreoFan
hello
i thought that Evolution Data Optimized (EVDO) are same as High-Speed Data Protocol Access (HSDPA) but only with higher network speed? But my understanding was wrong. I tried to read difference but could not understand somethign at lay man term. can u please advice on difference.
NotATreoFan said:
The Kaiser is a GSM-based phone. There is no way to connect to CDMA/TDMA/EVDO networks with it.
Click to expand...
Click to collapse
EVDO is term used for non-GSM high speed data access. Sprint currently uses EVDO Rev A, for example. HSDPA/HSUPA only applies to GSM networks.
thanks for clarifications
NotATreoFan said:
EVDO is term used for non-GSM high speed data access. Sprint currently uses EVDO Rev A, for example. HSDPA/HSUPA only applies to GSM networks.
Click to expand...
Click to collapse
Actually...
Not to be a smarty pants, but HSDPA is a form of WCDMA, a software enhancement of the original WCDMA that allows faster data transfer, and emphasizes sound and video transfers too. So, yes, the original post is correct in at least one part of the assumption, that Sprint's CDMA/EVDO network is similar technology. CDMA, and WCDMA are actually evolved from GSM, but, equipment wise, are wholly different deployments from each other. WCDMA was the first 3G technology to be deployed, in Europe and other parts of the world, primarily on the 2100 mhz band. AT&T's deployment of HSDPA (on the ever-so obscure 850mhz band) was the first in the world, but far from the first deployment of CDMA.
My understanding is that T-Mobile will be implementing their HSDPA service in something like 27 new markets here in the next few weeks, so some of us may have a second choice for high speed service.
Incidentally, Sprint, and Verizon's decision to go with plain-ol CDMA for their network deployments will, within the next 10 years or so, turn out to be one of the most financially expensive errors ever seen in the cellular industry, as it prevents them from upgrading and deploying the 4G tech that looks to be the next step for 90% of the planet...LTE. They can, and are, at least in Sprint's case, deploying a comparable tech to LTE called WiMax, however, it is not capable of the same speeds as LTE, at the top end, and will once again, push them into the land of obscurity. Sprint & Verizon are the only 2 major carriers in the world that chose CDMA for their standard when deploying their cellular networks. Losers.....
mandaryn said:
My understanding is that T-Mobile will be implementing their HSDPA service in something like 27 new markets here in the next few weeks, so some of us may have a second choice for high speed service.
Click to expand...
Click to collapse
The T-Mobile 3G network is supposed to be live by December of this year, but it is running on the 1700MHz band which will eliminate almost all of the current 3G phones out in the US.
...and I hate Sprint and Verizon too.
mandaryn said:
Incidentally, Sprint, and Verizon's decision to go with plain-ol CDMA for their network deployments will, within the next 10 years or so, turn out to be one of the most financially expensive errors ever seen in the cellular industry, as it prevents them from upgrading and deploying the 4G tech that looks to be the next step for 90% of the planet...LTE.
Click to expand...
Click to collapse
..May be why Sprint is now selling off all it's towers to TowerCo

[Q] HTC Vivid on Tmobile 3G/4G?

Hi all,
I was wondering whether there would be any way to flash a custom modem or a ROM that would unlock the LTE bands so that the Vivid can access HSPA on Tmobile's network?
From what Ive read, the AT&T GS2 Skyrocket and the AT&T Galaxy Note have been unlocked through this method and Im not sure why the Vivid cant be since it shares much of the same specs between it and the Skyrocket & G-Note
Thanks
dante58 said:
Hi all,
I was wondering whether there would be any way to flash a custom modem or a ROM that would unlock the LTE bands so that the Vivid can access HSPA on Tmobile's network?
From what Ive read, the AT&T GS2 Skyrocket and the AT&T Galaxy Note have been unlocked through this method and Im not sure why the Vivid cant be since it shares much of the same specs between it and the Skyrocket & G-Note
Thanks
Click to expand...
Click to collapse
No that isn't possible, tmobile and att have different bands. I know that you could use a sim card on the vivid, but you wouldn't get the same speed.
Sent from my HTC PH39100 using xda premium
IIRC you can use a T-Mobile phone on ATT and get 2G but can't use ATT on TMO.
Sent from my HTC PH39100 using XDA
doktor buknasty said:
No that isn't possible, tmobile and att have different bands. I know that you could use a sim card on the vivid, but you wouldn't get the same speed.
Sent from my HTC PH39100 using xda premium
Click to expand...
Click to collapse
The LTE band can be used on Tmobile to get 4G download speeds. As visible here:
http://forum.xda-developers.com/showthread.php?t=1507825
OP is asking if this is possible for the Vivid, need a Tmobile radio to flash. Would be great if someone could work on it.
twolves14 said:
The LTE band can be used on Tmobile to get 4G download speeds. As visible here:
http://forum.xda-developers.com/showthread.php?t=1507825
OP is asking if this is possible for the Vivid, need a Tmobile radio to flash. Would be great if someone could work on it.
Click to expand...
Click to collapse
No. The LTE Band will never work on T-Mobile's GSM. What allows the Note and Skyrocket to work is that they have the pentaband hardware GSM modem and flashing a different software modem enables access to those frequencies on GSM.
Sent from my HTC PH39100 using xda premium
dante58 said:
I was wondering whether there would be any way to flash a custom modem or a ROM that would unlock the LTE bands so that the Vivid can access HSPA on Tmobile's network?
Click to expand...
Click to collapse
twolves14 said:
The LTE band can be used on Tmobile to get 4G download speeds. As visible here:
http://forum.xda-developers.com/showthread.php?t=1507825
OP is asking if this is possible for the Vivid, need a Tmobile radio to flash. Would be great if someone could work on it.
Click to expand...
Click to collapse
Uh yeah, it's going to be hard to get the LTE bands on the LTE radio on the phone to pick up UMTS/HSPA signal.
There's a reason why phones are usually advertised like:
GSM/EDGE 850/900/1800/1900MHz
UMTS/HSPA 850/1900/2100MHz
LTE AWS700MHz
They kiiiinda aren't interoperable. Note how you can't connect to UMTS 900MHz or use a Telstra LTE phone and get 1800MHz 2G service if the phone doesn't have that band in its 2G spectrum.
I remember reading about the pentaband radios having UMTS/HSPA 850/900/1700/1900/2100MHz. That's still pretty different than your standard quad-band GSM radio.
It is absolutely possible...given that the specs on GSM Arena and Phonescoop are right...
700 MHz Class 17, 1700/2100 MHz
It has the correct pair for Tmobile.
The only thing is whether or not you can flash the radio with a Tmobile equivalent (Amaze?) radio.
What happened to all the hardware hackers on this forum? It seems as if no one knows ANYthing about the interworkings of a network anymore.
Anyhow, the phone having the bands and knowing what to do with them are 2 different things. For example. Stereo FM 101.9 Mhz vs. HD(Digital)-FM 101.9...they're both on the same band/frequency but are utilized differently...
The signals are still transmitted on the same frequency, however the radio itself doesn't know how to decode/interpret the HD (Digital) signal...unless it is told how to do so.
The only place that this analogy differs is when it comes to actual comparison of FM receivers and Cellular phones. With FM receivers it actually requires a decoder to understand the digital signal being broadcasted...Cellular however just needs to be flashed and voila, you've got HSPA...
So. Yes. It is %100 possible.
NO NO NO NO.
LTE bands do NOT equal GSM. Not going to happen. They are physically different receivers for lack of a better phrase. There is no way to do this without physically changing hardware. Also, you realize T-Mobile's "1700" frequency does not actually mean 1700 on the dot. They use a different subset of actual radio bands than AT&T's 1700 LTE. As in 1721-1727 or some such vs 1781-1793 or something. I don't know the actual frequencies, but you get the drift.
Sent from my Lumia 900 using XDA Windows Phone 7 App
It is absolutely possible. No question about it.
Then do it. For one, there is no compatible modem to flash. Two, it isn't possible.
Sent from my Lumia 900 using XDA Windows Phone 7 App
Hand is hitting my face so hard right now.
RavenII, if it's so possible, then why don't you do it? If you can't, give a large donation to one of our developers and tell them to do it.
I, and many others here are blatantly telling you it's not possible for clear reasons.
The Galaxy Nexus has a PENTABAND UMTS/HSPA "3G" radio. 850/900/1700/1900/2100. That's why it can access TMobile's 3G and faux-G. We here, on the HTC Holiday, have a tri-band 3G radio.
DIRECTLY from your sources at GSM ARENA and PHONESCOOP. I've added HTC.com for good measure:
2G Network GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100
4G Network LTE 700 MHz Class 17 / 1700 / 2100
GSM 850 / 900 / 1800 / 1900
LTE 700 / 1700
WCDMA 850 / 1900 / 2100
LTE (AWS/700), HSPA+/UMTS Tri-band (850/1900/2100MHz), and tri-band GSM/GPRS/EDGE (850/900/1800/1900MHz)
What? I'm sorry, I couldn't hear you over the fact that "3G network/WCDMA/HSPA+/UMTS" doesn't have 1700MHz. Oh wait, I couldn't hear you over the fact that TMobile's faux-G is not based on LTE, nor is it 4G (big hint: it's 3G HSPA-based service ).
GSM Arena and Phonescoop also do not account for the of LTE bands supported by the Vivid. Each region of the Holiday pretty much only supports the LTE band in that region. Rogers and ATT only supports AWS700, Telstra only supports 1800, etc.
I'm glad I'm not the only one to retain my senses about this. Leave it to a fellow Saab fan to explain it correctly.
Sent from my Lumia 900 using XDA Windows Phone 7 App
Ok...I really didn't want to do this since I HATE spoon feeding people on forums...but here goes. And try to keep up because I'm only going to dumb it down so much.
What you guys are mistaking for "Bands"...really ARE NOT BANDS....there is NO SUCH THING as an LTE band...or HSPA+ band...
There are Network types ...LTE, HSPA+, -Insert other modulation/channeling scheme here-, etc.
There are Frequencies (which are actually specific ranges but for the sake of confusion, they're referred to as the following 700, 800, 850, 900, 1700, 1900, 2100...etc.) By the way...all those frequencies fall under the UHF band...
So far we've established that there are Network types...and different frequencies...are you still with me? Any questions?
Ok, onward.
There exists something called an SDR or Software Defined Rado...it has the ability to receive and transmit on certain frequencies...It's the software that defines how much of that frequency to use per channel (1Mhz, 25khz, etc.), what range of frequencies to use, how to use them, how much power to use while transmitting, among MANY other things (what frequency to send on, which to receive on, etc.)...That's how they came up with "Software defined radio"
If you look at the Product Brief for the MSM8X60/APQ8060 you should notice all of the frequencies that these specific chips support...
I really don't want to lose you guys, still following?
You might notice that the APQ8060 doesn't have a WWAN modem...but what does THAT mean? It means that it needs something like ohhhhh let's say the MDM9200...FINE! Here's one more spoon full
Reader to me: But RavenII...you're being a condescending ****, and we still don't know what the hell your point is...you're spewing all this **** like you're some know it all...
Me to Reader: There there grasshopper. I will get straight to it...
With all of the information I've given you...you should be able to see that when you see something like "LTE (AWS/700), HSPA+/UMTS Tri-band (850/1900/2100MHz), and tri-band GSM/GPRS/EDGE (850/900/1800/1900MHz)"...it means the radio is...
Being told to use LTE Standards (modulation, channeling, frequency steps, etc.) on AWS/700 (which if they're using AWS to signify Band IV...it would in turn mean 1700/2100), HSPA+/UMTS Standards on 850/1900/2100MHz...etc.
Still reading?
When I say that it is %100 possible...I'm saying that with software or "flashing the radio"...you can effectively change/tell what the chip should do (in this case either an MSM or MDM) with the frequencies it's capable of transmitting/receiving on. That's it.
Aus_Azn: I really hope you didn't leave a hand print on your face...
Thank you, good night.
One last thought: I never said that I would do it, I said that it's possible...
Here's the real simple way to explain it: it is theoretically possible to do but no one outside of HTC has the skill or proprietary code to do it.
So for all intents and purposes, impossible. It will not now nor ever happen.
Also, while the chip may support all bands from the factory that initially fabricated the chip, it may be locked at a firmware level (not a software radio, but actual ROM on the physical chip) that a software based radio cannot affect. This is why you can't just flash a T-Mobile software radio on another AT&T s-off device and have it work. The physical chip itself DOES NOT SUPPORT THE FREQUENCY NEEDED due to changed firmware configuration.
Is that condescending enough for you?
Sent from my HTC One X using xda premium
Let's see, how can I put this...You're still wrong. It's still possible.
I don't even own a Vivid so I'm no longer going to post to this thread...but I will tell you this...everyone once told me that blackberrys could not have data without having the BIS (Blackberry specific plan)...and guess what. I'M the reason that people are hacking them away. I was the first one to figure it out and prove everyone wrong. While I don't have a phone that I need to convert for T-Mobile, you can bet, that once there's a phone that I want to use on T-Mobile's network...I'll more than likely find a way.
Farewell.
@totally off topic
RavenII I think you're going on the right track here. I'm already convinced by what your saying.
peaceout
What RavenII is saying does have a good base logically because it has been done before for a very similar set of hardware to the raider. The ATT Galaxy S2 Skyrocket and the ATT Note LTE are both phones featuring very similar processor and modem as the Raider. The APQ8060 and MDM9200 (i think).
Samsung released devices with this modem running on all sorts of bands 1700, 850, 1900, 2100 and even LTE on 1700 and 700.
The ATT Versions of the devices do not feature UMTS in AWS range however people have simply flashed the modem from the T-Mobile version of the device which doesn't have LTE and the ATT LTE devices actually started working on UMTS AWS bands. Various modems give various degrees of success but it is possible and has been confirmed many many times over.
Here is the thread for the ATT Skyrocket. You will find people doing the same thing on ATT Galaxy Note LTE.
http://forum.xda-developers.com/showthread.php?t=1507825
You guys are funny, now I can't wait to get my Vivid which I just received today running on T-Mobiles "4g". The funny thing about this is when i very first started reading this thread and saw Mr. buknastys' reply, I was thinking "That is absolutely not true". Now I'm not going to go into detail or try and prove any points, as Raven has done a perfectly fine job proving his point and answering the OPs question. Bottom line; the two readers are absolutely wrong and Raven is absolutely right. Also one last thing, I love how suddenly a firmware "lock" is something of an obstacle, yet we have gained S-Off on nearly every HTC bootloader out there. Just sayin..
motoxxx138 said:
You guys are funny, now I can't wait to get my Vivid which I just received today running on T-Mobiles "4g". The funny thing about this is when i very first started reading this thread and saw Mr. buknastys' reply, I was thinking "That is absolutely not true". Now I'm not going to go into detail or try and prove any points, as Raven has done a perfectly fine job proving his point and answering the OPs question. Bottom line; the two readers are absolutely wrong and Raven is absolutely right. Also one last thing, I love how suddenly a firmware "lock" is something of an obstacle, yet we have gained S-Off on nearly every HTC bootloader out there. Just sayin..
Click to expand...
Click to collapse
I really didn't mean to come off as a **** in this thread, but it seems as if though people have forgotten about actual hacking and everything has moved to "Supercharging" and theming...it's saddening, I come from a time where there was no such thing as impossible.
...I encourage you to try, but do so with a lot of caution...because the fact of the matter is...you can brick your device...
Happy hacking.
THANK YOU!!!
RavenII said:
I really didn't mean to come off as a **** in this thread, but it seems as if though people have forgotten about actual hacking and everything has moved to "Supercharging" and theming...it's saddening, I come from a time where there was no such thing as impossible.
...I encourage you to try, but do so with a lot of caution...because the fact of the matter is...you can brick your device...
Happy hacking.
Click to expand...
Click to collapse
I would just like to say thank you to Raven as I now have a AT&T Vivid and have successfully placed it on the T-mobile 3G network working 100% of the time. I will be putting together a full tutorial on how to do this shortly as it was indeed a challenge. I have been reading these forums for awhile and Raven your post has by far been one of the most beneficial and inspiring ones...thanks for sticking it out on these forums...few do these days. I actually just joined this forum after months of reading because of this post. I figure i too will provide feedback. I am actually a Tech Manager w/ Sprint. I work on these things everyday in other words....hints why I actually have a T-mobile phone lol. Not saying T-mobile is the best but you at least get exactly what you pay for and they are honest about coverage haha. Anyways..back on topic...the HTC Vivid is an interesting phone to root even and get the S-off. It is needed in order to get the sim unlocked. You have to do a combo of the rooting kit "Vivid_All_in_One_kit_v2.2" posted on another section and the "ControlBearRelease_holiday_ICS_WIN" (if your running Win 7). After you do what they call the "wire trick" (basically short the sim reader temporarily to allow temp access to flash) you can get the sim lock off. After that it is simple trial and error with modem flashes from various tmobile devices onto the HTC Vivid to get the 3G up and going. Mine actually kicked on with the AT&T radio flashed at first but I only had coverage in certain areas. Basicly it will depend alot on your local towers. Believe it or not...ALL CELL TOWERS ARE LEASED FROM VARIOUS COMPANIES LIKE SONY ERICSON WHICH MAINTAIN THEM ALL ALMOST!!...therefore it is very dependent on the towers in your area which radios are likely to work if not the stock modem on the device. It depends on what lease and roaming agreements are in place in your region....again...I WORK ON PHONES EVERYDAY FOR SPRINT...know a little about all that stuff...trust me...i have people yelling everyday about not having this or that when most of it is the carrier hasnt signed an agreement with Kyocera or whom ever to support that device or the lease contract has expired and will be resigned in a few days....bottom line is ....if the phone has a radio chipset that supports multibands and frequencies it is almost always possible to do what ever you would like with it. As far as firmware lock....too funny...those do not work on Android devices as the chipsets were intentionally designed to be unviersal to all carriers to cut manufacturing costs...much like in automotives where Mazdas and Fords use the same parts...just a reference. Anywho....It really is possible...it just takes research and a TON of time sometimes but that is the point of hacking....most would have said the Xbox Kinect wouldnt have been able to been hacked or the Wii remote seeing as both those use internal chips that range in the thousands if sold for other purposes. Long story short....happy hacking and Thanks to all of you for a great discussion forum.

[Q] T mobile 3G/4G after unlock/debrand?

Hi All,
Is there *any* way I can get 3G/4G speeds on Samsung Focus S? I saw the unlock/debrand thread. Will it also enable 3G speeds on t-mobile network or is it hardware related and there is nothing we can do about it?
~ai2160
hardware...
My Focus S did 4G right out of the box.
The main reason you might not be able to get higher speed data lines is because of the frequencies your carrier uses to support those data feeds. Not all carriers are using the same bands. Rogers (here in Canada) uses the same bands as AT&T, so you pretty well have to wait until you can find an AT&T phone to buy to make it work.
T-Mobile in the US uses different bands, so their phones will only do E here in Canada. Likewise, and unlocked AT&T phone will only do E on T-Mobile in the US.
HOW THE F$%& do we get MMS to work if on Tmobile????
that is good
That is good? What are you talking about... @waswaser quit posting random **** to get enough posts to spam the threads! Anyways I finally got data for Tmobile and now I have MMS Woohoo! AT&T is refarming some towers so people with unlocked AT&T phones will get 3g/4g on Tmobile, that will start 2013 i believe...
"T-Mobile reiterates their wish to launch 4G HSPA+ in the 1900 band in a
large number of markets by the end of the year. Current testing shows a
33% increase in HSPA+ data speeds and improved in-building coverage.
“Rolling out 4G HSPA+ services in the 1900 MHz band will also offer
customers with the ability to use a broader range of devices"
in other words... Focus S should work @ HSPA+ by the end of the year (if you are in the right market. Which, selfishly, should include NYC)
You lucky son.... Anyways I get great reception where I life, but it's more of a rural town Northwest of SEATTLE. I've tried AT&T phones here and I get HSDPA+ so would I get it when Tmobile is done refarming? I'd be happy with 3g though as EDGE blows...
that is good

WiMax > LTE?

Will most areas with Wimax get LTE? I didn't care too much about this until I read that AT&T Ones get both Wimax and LTE. How exactly does this work? Has it to do with the GSM/CDMA thing?
I was with T-mobile before and you could say I was spoiled by their HSPA speeds. Now its normal for me to get anywhere from 80 to 100 kbps with Sprint. Occasionally I get an LTE signal and speeds upto 1.5 mbps. Would I get faster speeds if I had an older, Wimax phone?
Also, I was told by the Sprint rep that the Nextel towers will be converted to LTE. Is this true?
Where'd you read that att models support wimax?
Sent from my HTCONE using Tapatalk 4 Beta
It's magic, considering ATT never deployed wimax whatsoever. Sprint is the only major cellular provider who went with Wimax, everyone else went lte or HSPA+
Sent from my HTCONE using Tapatalk 4 Beta
sauprankul said:
Will most areas with Wimax get LTE? I didn't care too much about this until I read that AT&T Ones get both Wimax and LTE. How exactly does this work? Has it to do with the GSM/CDMA thing?
I was with T-mobile before and you could say I was spoiled by their HSPA speeds. Now its normal for me to get anywhere from 80 to 100 kbps with Sprint. Occasionally I get an LTE signal and speeds upto 1.5 mbps. Would I get faster speeds if I had an older, Wimax phone?
Also, I was told by the Sprint rep that the Nextel towers will be converted to LTE. Is this true?
Click to expand...
Click to collapse
All of this is true except AT&T ONE getting WiMax. As was said, AT&T has never had WiMax and the ONE is not capable of it. Whoever told you that is either mistaken or lying.
Depending on where you are WiMax could be more available then LTE as of right now. As they shut down the 800mhz Nextel towers, Sprint will be rolling out LTE 800 on those is the story most have heard.
I'm in Chicago and we have a lot of wimax. But also a lot of lte too. I did get faster speeds on wimax, but I could only get wimax if I were outside. So... I kept it off and only used wimax if I really needed it. It was a major battery hog.
Sent from my HTCONE using xda app-developers app
I had og Evo and Evo 3d which were both wimax phones. The signal was much more consistent than I get on my Evo lte and HTC one. As far as speed, I HAVE spiked to 22mbps once or twice on lte but I have to be right there in that sweet spot which is on the side of a major hwy. I can pull 5-8 mbps on an average lte signal but I am constantly loosing it and switching back to 3g and going back and forth. My wimax signal was a goo 7-8 inside my house. Lte is very inconsistent and my area is suppose to be over 80% complete I think last time I checked.
And like gk said wimax was a battery hog. I could never get half a day if I left my wimax radio on and off the charger. My lte devices last a lot longer. This one I take it off the charger in the morning and still have half battery at night most times
Sent from my HTCONE using xda app-developers app
sauprankul said:
Will most areas with Wimax get LTE? I didn't care too much about this until I read that AT&T Ones get both Wimax and LTE. How exactly does this work? Has it to do with the GSM/CDMA thing?
I was with T-mobile before and you could say I was spoiled by their HSPA speeds. Now its normal for me to get anywhere from 80 to 100 kbps with Sprint. Occasionally I get an LTE signal and speeds upto 1.5 mbps. Would I get faster speeds if I had an older, Wimax phone?
Also, I was told by the Sprint rep that the Nextel towers will be converted to LTE. Is this true?
Click to expand...
Click to collapse
I would be surprised if it were directly true. The Nextel towers were all IDEN-based and are in the process of being torn down. I have no doubt they will be eventually switched to CDMA/3G and then LTE (or maybe built with LTE from the get-go), but probably not until after Sprint rolls out LTE to its existing tower infrastructure.
Not to go off topic too much but when I lived in Columbus Ohio we had pretty good wimax coverage. And in complete honesty the battery hit was hardly any worse than 3g so I would leave wimax on all of the time. I could go a full 12 hour day at work on my 3d with moderate usage and get home with 30 percent left. Similar comparisons in battery life on my 4g, shift, and et4g as well. Apparently its similar to any other signal issue.... But if its a good area wimax doesn't hurt the battery too bad at all really.
I used to get really inconsistent lte a month ago. I'm not sure if they improved the network to correct it or what but when I unlocked the bootloader, I saw a very consistent experience. Not sure if wiping everything did something to correct it, placebo, or new towers were flipped on the same day.
But I only get 2-3 mbps on lte
Wimax I was getting about 8-10
In any case... Sprint is the only major wimax carrier in the USA and att doesn't use it - as mentioned earlier, OP was lied to about this.
Also, I hear the Nextel iden network will be configured to lte on 800 mhz which our phones don't support. None do at this point actually.
Sent from my HTCONE using xda app-developers app
wimax is awful & I live in a "good" wimax area. Besides Sprint quit building on the network once they realized it sucked.
All right thanks for the clarification guys. I was suspicious when I read it (no idea where, some random forums). Since Sprint is letting go of Wimax and replacing their Wimax devices with LTE, would it be safe to assume that places with "Best" Wimax coverage and/or Nextel coverage will get LTE at some point (6 mos-1 year)? It's really sad when it takes 30-45 minutes do download Cut the Rope at the local mall (in silicon Valley).
Sprint lte (any carried for that matter) is very signal dependent. Stronger signal = faster connection. If u connect to lte and its a slow connection, chances are you are connected to a site farther away then u think, or have a site (one that serves your voice coverage) between the lte site and your phone. All sprint sites are being converted to lte. Most Nextel sites are not. During the conversion, sprint is putting up panels has house both voice and lte on 1900mhz, voice on smr800 and lte on 800smr. No 800smr lte devices are out yet, will will be starting this fall. When Nextel is turned off (last day of this month), sprint will start turning on the 800smr on voice and lte but may take some time (especially lte side). 800smr voice is already being broadcasted in parts of the county, such as in Chicago. Most if not all native sprint coverage will have lte by this time next year. For much more info, go to s4gru.com
Sent from my HTCONE using Tapatalk 2
I had Wimax on my evo3d as well as for my home internet through clear. Wimax signal is much weaker than LTE it is easily affected by weather and even wind.it has poor building penetration, hence Sprint dumped the Wimax program and began with lte!!!
Sent from my HTCONE using Tapatalk 2
Paleryder said:
I had Wimax on my evo3d as well as for my home internet through clear. Wimax signal is much weaker than LTE it is easily affected by weather and even wind.it has poor building penetration, hence Sprint dumped the Wimax program and began with lte!!!
Sent from my HTCONE using Tapatalk 2
Click to expand...
Click to collapse
It wasn't so much wimax sucked based on the symptoms you described, it's the frequency Clearwire was using. They used 2500 mhz for wimax and if it were lte on that same band, we'd still have poor building penetration and weak signal.
Sent from my HTCONE using xda app-developers app
jcwxguy said:
No 800smr lte devices are out yet, will will be starting this fall.
Click to expand...
Click to collapse
the htc one should actually be capable of 800smr lte with some changes to the radio config (and possibly radio software too, but i'm pretty sure that won't be necessary)... once 800smr lte is up and running somewhere near where i live i'll be able to test and figure out what exactly needs to be done to make it work.
hotaru2k3 said:
the htc one should actually be capable of 800smr lte with some changes to the radio config (and possibly radio software too, but i'm pretty sure that won't be necessary)... once 800smr lte is up and running somewhere near where i live i'll be able to test and figure out what exactly needs to be done to make it work.
Click to expand...
Click to collapse
it is not capable of 800smr lte....its a hardware thing (no 800smr antenna within the phone) with the HTC ONE, check out the FCC docs...
https://apps.fcc.gov/eas/GetApplicationAttachment.html?id=1898233 (note page 5, only LTE BAND 25 (g block, 1900 mhz, sprints current lte network)
http://s4gru.com/index.php?/blog/1/entry-342-updated-all-for-htc-one-htc-one-for-all/
jcwxguy said:
it is not capable of 800smr....its a hardware thing (no 800smr antenna within the phone) with the HTC ONE, check out the FCC docs...
https://apps.fcc.gov/eas/GetApplicationAttachment.html?id=1898233 (note page 5, only LTE BAND 25 (g block, 1900 mhz, sprints current lte network)
http://s4gru.com/index.php?/blog/1/entry-342-updated-all-for-htc-one-htc-one-for-all/
Click to expand...
Click to collapse
first link just says "You are not authorized to access this page.", but i have already seen the fcc filings for the sprint htc one.
from the second link:
CDMA1X + EV-DO band classes 0, 1, 10 (i.e. CDMA1X + EV-DO 850/1900/800)
Click to expand...
Click to collapse
Antenna 0 max RF ERP/EIRP: 20.10 dBm (CDMA1X/EV-DO 850), 23.80 dBm (CDMA1X/EV-DO 1900), 19.23 dBm (CDMA1X/EV-DO 800), 12.30 dBm (LTE 1900)
Antenna 1 max RF ERP/EIRP: 13.78 dBm (CDMA1X/EV-DO 850), 13.58 dBm (CDMA1X/EV-DO 1900), 14.27 dBm (CDMA1X/EV-DO 800), 23.63 dBm (LTE 1900)
Click to expand...
Click to collapse
cdma band class 10 is 800smr. both antennas work for 800smr. the radio can transmit and receive on 800smr frequencies.
it's very likely that a simple configuration change will enable lte on 800smr. if that turns out to not be the case, it's definitely possible to do it by modifying the baseband software.
I asked Sprint support about a month or 2 ago if the One would be compatible with 800 when they launch it and they said none of the currently released phones are capable and none will be released until Q3 or Q4
Sent from my HTCONE using xda app-developers app
Note that by the time Sprint actually deploys in large-scale any non-1900mhz LTE, you'll be up for a new phone (that is, 2 years). It's going to take a long, long time. They haven't even started yet.
hotaru2k3 said:
first link just says "You are not authorized to access this page.", but i have already seen the fcc filings for the sprint htc one.
from the second link:
cdma band class 10 is 800smr. both antennas work for 800smr. the radio can transmit and receive on 800smr frequencies.
it's very likely that a simple configuration change will enable lte on 800smr. if that turns out to not be the case, it's definitely possible to do it by modifying the baseband software.
Click to expand...
Click to collapse
that radio (antenna) will not work on 800smr LTE. Voice 800smr yes, lte, no
The Sprint version of the HTC One is limited to band 25 LTE 1900. It does not support either of Sprint's upcoming LTE bands -- band 26 LTE 800 and band 41 TD-LTE 2600.
Click to expand...
Click to collapse
---------- Post added at 12:05 PM ---------- Previous post was at 12:03 PM ----------
Vincent Law said:
Note that by the time Sprint actually deploys in large-scale any non-1900mhz LTE, you'll be up for a new phone (that is, 2 years). It's going to take a long, long time. They haven't even started yet.
Click to expand...
Click to collapse
Sprint has started an 800smr LTE fit in Montana.
---------- Post added at 12:06 PM ---------- Previous post was at 12:05 PM ----------
gk1984 said:
I asked Sprint support about a month or 2 ago if the One would be compatible with 800 when they launch it and they said none of the currently released phones are capable and none will be released until Q3 or Q4
Sent from my HTCONE
Click to expand...
Click to collapse
This is correct :good:
***THIS IS LIKE THE OLD "WILL MY WIMAX DEVICE WORK ON LTE" DEBATE " lol ....we all know how that ended up

[Q] Not able to connect to data while making phone calls

Just received my new HTC One (M8) yesterday. After setting it up and thinking everything was good to go. I made a phone call and tried to look up something on the internet. The page didn't pull up and when I looked at the status bar I noticed that the LTE symbol was gone. I looked in setting and my mobile data was on but showing disconnected. Has anyone else not be able to use voice and data together?
palo117 said:
Just received my new HTC One (M8) yesterday. After setting it up and thinking everything was good to go. I made a phone call and tried to look up something on the internet. The page didn't pull up and when I looked at the status bar I noticed that the LTE symbol was gone. I looked in setting and my mobile data was on but showing disconnected. Has anyone else not be able to use voice and data together?
Click to expand...
Click to collapse
That's been like since the Evo 4G LTE days.
From s4gru dot com (can't post link for being too much of a noob on this site still)
"In previous Sprint LTE phones, when a device was in Sprint LTE coverage it would park in both the LTE and CDMA Sprint networks at the same time. When a voice call came in, it would just go straight through to the device. And signal to the LTE network would be maintained the whole time while the call was active.
In contrast, a Sprint Triband LTE device can only stay on one technology at a time. CDMA or LTE, not both. So when a Sprint LTE Triband device is in Sprint LTE coverage it parks only in LTE. And doing so means it cannot transmit calls without Circuit Switched Fallback (CSFB) on the network side. CSFB and eCSFB (Enhanced Circuit Switched Fallback) are network controls that will allow a single mode/single path network to operate in two modes, both CDMA and LTE.
Here is how it works in the simplest way I can describe. When your Triband LTE device has an LTE signal, it cannot receive or make calls on its own. It is just using LTE data happily. However, what if someone calls you? How does it get through the CDMA network to your device? Via CSFB.
When the Sprint network tries to forward a call to your device but cannot see it via CDMA, it then checks for an LTE connection to your device. If it sees one, it tells your device to disconnect from LTE for a moment and reconnect to CDMA. Your device then jumps over to take the call on Sprint CDMA and the LTE session is interrupted. This happens very fast and seamlessly. Except for the loss of data availability. If you receive a text, the Sprint network is able to route it to your device via LTE."
This is why I tried to upgrade from the EVO 4G to the EVO 4G LTE recently, I was trying to get a phone that handled LTE and had SVLTE, but it didn't work out reception-wise in my area, so bit the bullet and got the M8, knowing that if I use it for tethering will have to figure out if there is a way to force it to stay in LTE and have phone calls go straight to voice mail.
rhe12 said:
From s4gru dot com (can't post link for being too much of a noob on this site still)
"In previous Sprint LTE phones, when a device was in Sprint LTE coverage it would park in both the LTE and CDMA Sprint networks at the same time. When a voice call came in, it would just go straight through to the device. And signal to the LTE network would be maintained the whole time while the call was active.
In contrast, a Sprint Triband LTE device can only stay on one technology at a time. CDMA or LTE, not both. So when a Sprint LTE Triband device is in Sprint LTE coverage it parks only in LTE. And doing so means it cannot transmit calls without Circuit Switched Fallback (CSFB) on the network side. CSFB and eCSFB (Enhanced Circuit Switched Fallback) are network controls that will allow a single mode/single path network to operate in two modes, both CDMA and LTE.
Here is how it works in the simplest way I can describe. When your Triband LTE device has an LTE signal, it cannot receive or make calls on its own. It is just using LTE data happily. However, what if someone calls you? How does it get through the CDMA network to your device? Via CSFB.
When the Sprint network tries to forward a call to your device but cannot see it via CDMA, it then checks for an LTE connection to your device. If it sees one, it tells your device to disconnect from LTE for a moment and reconnect to CDMA. Your device then jumps over to take the call on Sprint CDMA and the LTE session is interrupted. This happens very fast and seamlessly. Except for the loss of data availability. If you receive a text, the Sprint network is able to route it to your device via LTE."
This is why I tried to upgrade from the EVO 4G to the EVO 4G LTE recently, I was trying to get a phone that handled LTE and had SVLTE, but it didn't work out reception-wise in my area, so bit the bullet and got the M8, knowing that if I use it for tethering will have to figure out if there is a way to force it to stay in LTE and have phone calls go straight to voice mail.
Click to expand...
Click to collapse
Thanks for the info. I just came from the HTC Evo 4G LTE. Never had any problems with Simultaneous Voice and Data so I was very surprised when I couldn't talk and use data on this phone. Of course Sprint tech support was useless. They believe it should work just fine.
Thanks again!
Im on m7 currently talking on the phone and checking email... are you saying I wont b able to do this on the m8?
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thesabri said:
Im on m7 currently talking on the phone and checking email... are you saying I wont b able to do this on the m8?
Sent from my ASUS Transformer Pad TF700T using XDA Premium HD app
Click to expand...
Click to collapse
Apparently so, more or less. See http://www.fiercewireless.com/story...upport-simultaneous-voice-and-data/2013-11-19
thesabri said:
Im on m7 currently talking on the phone and checking email... are you saying I wont b able to do this on the m8?
Sent from my ASUS Transformer Pad TF700T using XDA Premium HD app
Click to expand...
Click to collapse
Yes that's exactly what it means. After discussing this on various forums it seems that no new phones on Sprint will be able to do voice and data simultaneously. The tri-band doesn't all these phones to operate on both the LTE band and the CDMA band at the same time. I'm trying to decide now if I'm going to return my M8 and switch to T-Mobile. Then purchase it from them.
this may be a deal breaker for me as well. i have been paying for wimax wifi untill lte deployed in my area... that the phone i want wont allow the vlte is very disapointing.
I thought I heard a while ago that is a thing of the past. GS3 (and apparently the Evo 4G lte) was the last to be able to do that. They removed that feature from the S4, and any device from that point on iirc. Not 100% on all that, but I know I read something like that before.
Never investigated as to why, but the only thing I can think of would be for safety reasons. Its bad enough that people text and drive, and I can just imagine how many would be driving, on the phone, and texting, or trying to browse the web.
Certainly a feature I will miss though, coming from an S3. Neither my wife nor mom want to upgrade because they don't want to lose that capability.
Sent from my SPH-L710 using xda app-developers app
It works on the m7 so that's not true djroc007
Sent from my HTC One
indiscriminant said:
It works on the m7 so that's not true djroc007
Sent from my HTC One
Click to expand...
Click to collapse
He probably meant while on 3g.
Sent from my lair.
indiscriminant said:
It works on the m7 so that's not true djroc007
Sent from my HTC One
Click to expand...
Click to collapse
I don't think the m7 is a tri-band phone so it should work.... it works on my evo lte no matter what network im connected to but on my m8 it wont work at all.. I will try in on the g2 because that's also a tri-band phone and see what happends
Fair enough. I wasn't 100% sure, I just remember seeing somewhere that they were doing away with that capability at some point. It's stupid though either way. There's been plenty of times while talking about something on the phone where I've said "hold on, I'll Google it", or had the other person send me a picture of something. Will miss that feature.
Sent from my SPH-L710 using xda app-developers app
For clarity, please confirm is my understanding is true: this issue will be fixed in time, but we just don't know when - and Sprint is being shady about it.
I am an AT&T customer on the old Skyrocket. Long overdue for an upgrade, and I've been leaning toward switching to Sprint and getting the m8 ('real' unlimited data is a major factor). Now I'm weighing this issue, deciding whether it's significant enough to not make the switch after all.
buffjam9011 said:
For clarity, please confirm is my understanding is true: this issue will be fixed in time, but we just don't know when - and Sprint is being shady about it.
I am an AT&T customer on the old Skyrocket. Long overdue for an upgrade, and I've been leaning toward switching to Sprint and getting the m8 ('real' unlimited data is a major factor). Now I'm weighing this issue, deciding whether it's significant enough to not make the switch after all.
Click to expand...
Click to collapse
No, this is not really an “issue” since it’s not a feature that’s performing improperly. SVDO and SVLTE (being able to hold a call while on 3G or LTE, respectively) is simply not possible due to the new antenna design.
On the EVO 4G LTE, SVDO and SVLTE were both possible, but that phone wasn’t the greatest RF performer. On the One M7, SVLTE was still possible, but SVDO was removed to help offset RF fade so that the signal could be improved. I suspect that the antenna design was changed again on the M8 to further increase performance, but at the cost of only being able to do voice OR data at any given time. Also, there appears to be a network limitation with tri-band LTE devices. See the post from rhe12:
rhe12 said:
From s4gru dot com (can't post link for being too much of a noob on this site still)
"In previous Sprint LTE phones, when a device was in Sprint LTE coverage it would park in both the LTE and CDMA Sprint networks at the same time. When a voice call came in, it would just go straight through to the device. And signal to the LTE network would be maintained the whole time while the call was active.
In contrast, a Sprint Triband LTE device can only stay on one technology at a time. CDMA or LTE, not both. So when a Sprint LTE Triband device is in Sprint LTE coverage it parks only in LTE. And doing so means it cannot transmit calls without Circuit Switched Fallback (CSFB) on the network side. CSFB and eCSFB (Enhanced Circuit Switched Fallback) are network controls that will allow a single mode/single path network to operate in two modes, both CDMA and LTE.
Here is how it works in the simplest way I can describe. When your Triband LTE device has an LTE signal, it cannot receive or make calls on its own. It is just using LTE data happily. However, what if someone calls you? How does it get through the CDMA network to your device? Via CSFB.
When the Sprint network tries to forward a call to your device but cannot see it via CDMA, it then checks for an LTE connection to your device. If it sees one, it tells your device to disconnect from LTE for a moment and reconnect to CDMA. Your device then jumps over to take the call on Sprint CDMA and the LTE session is interrupted. This happens very fast and seamlessly. Except for the loss of data availability. If you receive a text, the Sprint network is able to route it to your device via LTE."
Click to expand...
Click to collapse
Sent from my HTC One using Tapatalk
Apparently in a theoretical future, when Sprint rolls out voice over LTE, this issue would, well, not be an issue anymore.
"Schlageter said the tri-mode LTE smartphones will be able to handle simultaneous voice and LTE data when Sprint deploys Voice over LTE. She noted Sprint has not yet set a timetable for when that will happen."
Source: http://www.fiercewireless.com/story...upport-simultaneous-voice-and-data/2013-11-19
Thanks for the replies. Seems like a usability oversight (or just bad decision) to me. Are other carriers able to support SVLTE or SVDO on Triband LTE devices or is this a device constraint?
Thinking about it, I only occasionally use data and voice at the same time so this might be more of a minor irritation to me. I have a question for those you who have experience with this - Is there any noticeable lag when CSFB occurs for either user (caller/receiver)?
Also, the language in the spokeswoman's replies in that article is frustrating.
buffjam9011 said:
Thanks for the replies. Seems like a usability oversight (or just bad decision) to me. Are other carriers able to support SVLTE or SVDO on Triband LTE devices or is this a device constraint?
Click to expand...
Click to collapse
I wouldn’t say it’s an “oversight,” either. I would say it’s more of a limitation of the compromise between RF performance and features. Sprint’s M8 variant will have access to more LTE bands in more areas than any of the other carriers. I could be wrong, but I suspect that the trade-off for SVLTE has something to do with the fact that the Sprint M8 will be switching between LTE bands more often than other carriers’ variants. Let’s take a look:
For the One M8, these are the LTE frequencies that each carrier-specific phone has the radio/antenna for:
AT&T: 700/850/AWS/1800/1900/2600 MHz
Sprint: FDD 800/1900 MHz , TDD 2600 MHz
Verizon: 700/AWS/1800/2600 MHz
TMUS: 700/AWS MHz
Click to expand...
Click to collapse
Source: M8 spec page
As it currently stands, these are the LTE frequencies the above carriers have deployed or will soon deploy:
AT&T: 700/AWS/1900/2300 MHz
Sprint: 800/1900/2500 (2600) MHz
Verizon: 700/AWS MHz
TMUS: 700/AWS/1900 MHz
Click to expand...
Click to collapse
Sources:
List of LTE networks - Wikipedia
AT&T Mobility - Wikipedia
Sprint - Wikipedia
Verizon - Wikipedia
T-Mobile USA - Wikipedia
This means that only the AT&T and Sprint versions can use 3 LTE bands on their respective networks. However, since only Sprint will have all 3 bands available nationwide, I suspect that there might be something network-related which would allow the AT&T model to still allow SVLTE, but again, I could be wrong. I think I’ll take this to S4GRU.com to fact-check.

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