[Q] VoLTE question HTC one M8 sprint - Sprint HTC One (M8)

All I want to know is if the New HTC one M8 for sprint will be able to handle the change to VoLTE when and if it happens? I am in my 14 day grace period and want to know so I can either keep it or return, and go back to my S3 until compatible phones are produced.
Thanks for responses

i might be wrong but i think they're already using volte with phones that are spark compatible. i know regular lte phones can surf the web while talking on the phone and my htc one m8 can't because it uses spark.
Sent from my 831C using XDA Free mobile app

I know that Sprint is not using VoLTE and that is why you can't go on the web and talk at the same time. Right now with spark you have one radio doing the 2 jobs so it kicks you off the lte to get the call on cdma. I just want to know for sure if this phone HTC One M8 Sprint will be capable to do VoLTE from an software upgrade, not hardware upgrade, when sprint does VoLTE. I get pretty good service here in Chicago and good battery life, but I want to check stuff while I am talking on speaker phone.
thanks

The only option I see viable will be a mod through root changing to normal 4G LTE , and when the VoLTE IS available switch back, hopefully a developer will make it possible

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[Q] prospective One buyer - LTE speeds in NYC

Hi I am a prospective HTC One buyer (my iPhone 4S is getting wonky + i'm tired of the slow 3G speeds). I'm thinking of buying the One because I want to be on the 4G LTE network since it's the same price for my monthly bill but I don't know how good or bad 4G LTE is in NYC? I've seen some threads here but they are from a year ago or more so I would like to hear some real life experiences with LTE in NYC for sprint? I'm confused because in the news it's officially launched but when I go to the sprint stores, they say NYC doesn't have LTE??
I'm also thinking of getting the HTC One because of the free 23 Gbs for Dropbox - I know it's carrier specific (Verizon & Sprint). My question is, do you have to stick with the stock rom in order to keep using the 23 Gbs or what? I'm guessing it won't matter but I don't know if they can authenticate it somehow if you switch from Sprint's official rom to something custom.
Lastly I'm very confused about the bootloader situation - I remember hearing about HTC wanted to lock their bootloader or something to that effect. I just want to know if the HTC One can still be rooted and get the free tethering feature (with LTE support or just 3G? When I had an EVO, the tethering only worked for 3G, not WiMax) as well flash custom roms? Thank you!
I'm getting bored of my iPhone (which is crashing on me a lot) and even though I still have a year left on my contract, I am thinking about just buying the phone outright from sprint for the full price because I want LTE and that big ass screen lol.
limache said:
Hi I am a prospective HTC One buyer (my iPhone 4S is getting wonky + i'm tired of the slow 3G speeds). I'm thinking of buying the One because I want to be on the 4G LTE network since it's the same price for my monthly bill but I don't know how good or bad 4G LTE is in NYC? I've seen some threads here but they are from a year ago or more so I would like to hear some real life experiences with LTE in NYC for sprint? I'm confused because in the news it's officially launched but when I go to the sprint stores, they say NYC doesn't have LTE??
I'm also thinking of getting the HTC One because of the free 23 Gbs for Dropbox - I know it's carrier specific (Verizon & Sprint). My question is, do you have to stick with the stock rom in order to keep using the 23 Gbs or what? I'm guessing it won't matter but I don't know if they can authenticate it somehow if you switch from Sprint's official rom to something custom.
Lastly I'm very confused about the bootloader situation - I remember hearing about HTC wanted to lock their bootloader or something to that effect. I just want to know if the HTC One can still be rooted and get the free tethering feature (with LTE support or just 3G? When I had an EVO, the tethering only worked for 3G, not WiMax) as well flash custom roms? Thank you!
I'm getting bored of my iPhone (which is crashing on me a lot) and even though I still have a year left on my contract, I am thinking about just buying the phone outright from sprint for the full price because I want LTE and that big ass screen lol.
Click to expand...
Click to collapse
I think Sensorly is available for iPhones-- if you download it, you'll be able to get a pretty reasonable coverage map of your area that's not from corporate (which is important because it may also show you areas where Sprint hasn't officially announced LTE, but still has it operational). And yes, you can can keep the extra space no matter what ROM you're on-- once Dropbox confirms you're valid for the promotion, that stuff remains server-side (otherwise, anyone owning multiple devices would be in for a huge headache).
Almost all HTC phones have their bootloaders locked, but Sprint's variant is unlockable as per usual by following instructions at HTCDev. When you do so though, HTC will log your device as being unlocked (since you need the unlock key from HTC to do so) and it may become a sticking point if you need to ever use manufacturer warranty.
4G tethering works as far as I know.
Rirere said:
I think Sensorly is available for iPhones-- if you download it, you'll be able to get a pretty reasonable coverage map of your area that's not from corporate (which is important because it may also show you areas where Sprint hasn't officially announced LTE, but still has it operational). And yes, you can can keep the extra space no matter what ROM you're on-- once Dropbox confirms you're valid for the promotion, that stuff remains server-side (otherwise, anyone owning multiple devices would be in for a huge headache).
Almost all HTC phones have their bootloaders locked, but Sprint's variant is unlockable as per usual by following instructions at HTCDev. When you do so though, HTC will log your device as being unlocked (since you need the unlock key from HTC to do so) and it may become a sticking point if you need to ever use manufacturer warranty.
4G tethering works as far as I know.
Click to expand...
Click to collapse
Thanks for the sensorly. According to the website, it says there is 4G in NYC! However, on the iOS app nothing shows up. I don't see any coverage of any kind (i.e. not for 3G, 4G etc).
Okay gotcha so it's still possible to root the HTC One but you just need a key from HTC and be ready to give up the warranty. Okay that sounds good! Anyone have any experience with their HTC One in NYC? I'm just curious how New Yorkers' experience with the One and 4G has been. I'm from Brooklyn btw but I go to Manhattan all the time.
limache said:
Hi I am a prospective HTC One buyer (my iPhone 4S is getting wonky + i'm tired of the slow 3G speeds). I'm thinking of buying the One because I want to be on the 4G LTE network since it's the same price for my monthly bill but I don't know how good or bad 4G LTE is in NYC? I've seen some threads here but they are from a year ago or more so I would like to hear some real life experiences with LTE in NYC for sprint? I'm confused because in the news it's officially launched but when I go to the sprint stores, they say NYC doesn't have LTE??
I'm also thinking of getting the HTC One because of the free 23 Gbs for Dropbox - I know it's carrier specific (Verizon & Sprint). My question is, do you have to stick with the stock rom in order to keep using the 23 Gbs or what? I'm guessing it won't matter but I don't know if they can authenticate it somehow if you switch from Sprint's official rom to something custom.
Lastly I'm very confused about the bootloader situation - I remember hearing about HTC wanted to lock their bootloader or something to that effect. I just want to know if the HTC One can still be rooted and get the free tethering feature (with LTE support or just 3G? When I had an EVO, the tethering only worked for 3G, not WiMax) as well flash custom roms? Thank you!
I'm getting bored of my iPhone (which is crashing on me a lot) and even though I still have a year left on my contract, I am thinking about just buying the phone outright from sprint for the full price because I want LTE and that big ass screen lol.
Click to expand...
Click to collapse
My LTE speeds in NYC vary anywhere from 31mbs to 3 Mbs depending on location
limache said:
Thanks for the sensorly. According to the website, it says there is 4G in NYC! However, on the iOS app nothing shows up. I don't see any coverage of any kind (i.e. not for 3G, 4G etc).
Okay gotcha so it's still possible to root the HTC One but you just need a key from HTC and be ready to give up the warranty. Okay that sounds good! Anyone have any experience with their HTC One in NYC? I'm just curious how New Yorkers' experience with the One and 4G has been. I'm from Brooklyn btw but I go to Manhattan all the time.
Click to expand...
Click to collapse
Errr really? Try uninstalling/reinstalling it? And are you sure you're looking at coverage maps for Sprint? I can see something up top near NYC.
Matstarr said:
My LTE sppeds in NYC vary aware from 31mbs to 3 Mbs depending on location
Click to expand...
Click to collapse
I second this I only get respectable 4G in Queens, and some parts of Brooklyn (around 20 down at like 11 pm) it's very spotty in manhattan.

HTC X8T (Sprint) Windows Phone 8 Q&A, Help

Okay so yesterday my dream phone came out on sprint network the HTC X8T I really like this phone a lot. to my understanding the HTC X8T Is a lot like the HTC ONE with boom sound and front faceing spekers. but yet running windows phone 8. so I am very interested In this phone.
but yet I have a lot of questions.
1. is there an unlocked version of the phone I can buy?
2. is sprint the only ones selling this device?
3. could this device be used on boost mobile instead of sprint.
4. what are the chances of a boost version?
5.why is there not new fourm for this new device?
That should be a good start thanks.
1. Unlocked version: Maybe. Sprint uses CDMA2000, rather than GSM, although they might use SIM cards for LTE support like Verizon does (I haven't checked) typically, CDMA2000 phones won't work on other networks unless those other networks also use CDMA, and sometimes not then (because they're locked). I don't know yet whether the 8XT will be available unlocked in general, or available for GSM.
2. Sprint only seller: So far as I know, yes. If there's a GSM variant, you'll be able to buy it internationally. If not, then they will probably be the only one this side of China or something. I'd expect a GSM variant, but I don't know.
3. Use on Boost: See the answer to #1.
4. Boost version: I doubt anybody here knows. You should ask Boost Mobile about that.
5. New forum: Many WP8 devices don't have their own forums. Until such time as custom ROMs or similar are possible, one WP8 device is much like another, so there isn't usually enough traffic to justify per-phone forums.
By the way, the 8XT looks somewhat liike the One, and has the same speakers, but its specs are considerably worse. Its screen is lower resolution, and I believe it's processor is much less powerful.
HTC has not announced a version or variant of this phone for anyone except Sprint, so for now, we can only assume its a Sprint only device and does not come unlocked. Considering that Sprint is CDMA, it wouldn't be wise to purchase a Sprint branded phone to use on other networks as it will most likely not work. Boost has been known to activate Sprint phones on their service, but its very hit or miss as you need to speak directly with a customer service rep, and that itself is difficult. XD
prjkthack said:
HTC has not announced a version or variant of this phone for anyone except Sprint, so for now, we can only assume its a Sprint only device and does not come unlocked. Considering that Sprint is CDMA, it wouldn't be wise to purchase a Sprint branded phone to use on other networks as it will most likely not work. Boost has been known to activate Sprint phones on their service, but its very hit or miss as you need to speak directly with a customer service rep, and that itself is difficult. XD
Click to expand...
Click to collapse
You only need to look at the radio specs for the phone. I knew it was for Sprint a full week before the tech i was on the phone with did and she was Tier 2 support with 'upcoming training for some new WP8 device' but didnt know what the hardware was.
It runs on the 1xRTT network, so wont even work on VZW. Also given that Sprint is (or at least used to be) an HTC Premier Partner its no surprise they made a phone that only Sprint would carry. Its smack in the middle of the 8X and 8S but what sucks is we are stuck with Touch Pro2/Arrive resolution on a screen thats nearly 33% bigger (4.3" vs 3.7"). Will i get one? Im still on the fence as my TP2 still does the job for me, even without native apps for Twitter or games.

[HELP] Need help with getting AT&T LTE working on T-Mobile HTC One

I've got a fully unlocked T-Mobile HTC One and I'm trying to use AT&T with the phone. I popped in my AT&T sim card and it works great but I'm not seeing LTE. Not sure what the problem is because the phone is supposed to be able to run on AT&T's LTE network and I've got the correct APN settings as far as I know.
You have to have a lte data plan
And att prob needs phones imei to let you use their lte not sure on this but I know when I got my one coming from one x + lte didn't work out the box I had to call
Sent from my HTC One using XDA Premium HD app

[Q] Verizon LTE Band support?

Hey guys, I've searched Google and the forums and I couldn't find my answer. I apologize if I overlooked anything.
I'm on Verizon and I understand that GSM phones cannot work with CDMA which made me bummed out since this phone is what I really want to use. I was even planning on going to a different carrier but decided not to.
Anyway, at Best Buy a mobile associate told me that as long as the phone supports Verizon's LTE bands, I can just slip in Verizon's sim card and I'll be able to use the phone. Now I told him that I'm sure he was wrong about it and he insisted that it's a fact and wouldn't change his mind about it at all.
So basically, since the Sony Xperia Z1 supports Verizon's LTE bands, can I just pop in a Verizon sim card and everything will work?
Thanks in advance.
Sorry, but you cannot simply slip a Verizon Sim card into a GSM phone and expect it to work 100%. You may get LTE but I don't believe you'll get anything else (such as phone calling capabilities and what not).
The Best Buy associate is only half right. It's unfortunate because it's guys like him that make us look like we don't know what we're talking about (I'm am employee as well).
Good luck though! At this point, Verizon can offer all the LTE they want, they can't provide customers with all the amazing phones that are available. The Nexus 5 will be another big deal breaker for Verizon customers, as it won't fully with with Verizon either.
Sent from my C6906 using XDA Premium 4 mobile app

2nd bad M8...sigh...

Looks like I have wound up with LTE connectivity issues on my 2nd M8. It's defaulting back to 3G and never trying LTE again. I'm in an area where the circuit fallback has already been installed and is up and running, so it shouldn't be that. It randomly just stopped working properly over the weekend. Sprint has told me there are no issues in my area, no work being done.
Is there any chance HTC or Sprint acknowledge this issue with their phones? What is happening under the hood to cause the phone to randomly get mucked up and never be able to get back to normal? Or is there a way to get back to normal?
Profile, PRL updates, rebooting, airplane mode are all (very) temporary fixes for a bigger problem. It acts and feels like a software issue, but is it something that can be reversed or does it get embedded into the firmware, never to be removed? I've tried flashing firmware multiple times without rebooting, over top of itself more than once, hoping to knock out or overwrite something wrong inside. I ran OMJ's h/k RUU last night and it connected to LTE as soon as it rebooted, but today it's right back to where it was.
FlowingAway said:
Looks like I have wound up with LTE connectivity issues on my 2nd M8. It's defaulting back to 3G and never trying LTE again. I'm in an area where the circuit fallback has already been installed and is up and running, so it shouldn't be that. It randomly just stopped working properly over the weekend. Sprint has told me there are no issues in my area, no work being done.
Is there any chance HTC or Sprint acknowledge this issue with their phones? What is happening under the hood to cause the phone to randomly get mucked up and never be able to get back to normal? Or is there a way to get back to normal?
Profile, PRL updates, rebooting, airplane mode are all (very) temporary fixes for a bigger problem. It acts and feels like a software issue, but is it something that can be reversed or does it get embedded into the firmware, never to be removed? I've tried flashing firmware multiple times without rebooting, over top of itself more than once, hoping to knock out or overwrite something wrong inside. I ran OMJ's h/k RUU last night and it connected to LTE as soon as it rebooted, but today it's right back to where it was.
Click to expand...
Click to collapse
Its really difficult to tell if its the device or the network but for the most part calling sprint is no doubt a waste of time. Over on the gs5 forums you hear the same complaints all day long. As a matter of fact, go to any sprint tri-band device forum and you will know doubt hear the same exact complaints.
Goto to a Sprint Store and Compare it Side-By-Side.
It's the only way to know for sure.
mswlogo said:
Goto to a Sprint Store and Compare it Side-By-Side.
It's the only way to know for sure.
Click to expand...
Click to collapse
That may or may not make a difference, two of the same devices in the same location can be connected to different towers unless he uses an app to confirm that both are connected to the same tower and even then I have had experience with two exact devices connecting to the same tower and issues with that tower actually affected one device and not the other and nothing was defective with either device. Weird
themuffinman said:
Its really difficult to tell if its the device or the network but for the most part calling sprint is no doubt a waste of time. Over on the gs5 forums you hear the same complaints all day long. As a matter of fact, go to any sprint tri-band device forum and you will know doubt hear the same exact complaints.
Click to expand...
Click to collapse
So far, I am, one of the lucky ones with an, s5 that hasnt had a bit of problems. I almost picked up the m8 over the s5 to give htc a try but keeping a watch on this forum made up my decision quick to stay with sammy. Don't get me wrong there are some s5 owners that have had problems but u m8 guys seemed to be getting hosed pretty bad.
Sent from my SM-G900P using XDA Premium 4 mobile app
BubZX said:
So far, I am, one of the lucky ones with an, s5 that hasnt had a bit of problems. I almost picked up the m8 over the s5 to give htc a try but keeping a watch on this forum made up my decision quick to stay with sammy. Don't get me wrong there are some s5 owners that have had problems but u m8 guys seemed to be getting hosed pretty bad.
Sent from my SM-G900P using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Well personally, I haven't had any issues to speak of with the two m8's I have on my account.
themuffinman said:
Well personally, I haven't had any issues to speak of with the two m8's I have on my account.
Click to expand...
Click to collapse
I'd say keep a very close eye on them both. My 2nd one was perfect right out of the gate and stayed perfect for 3 weeks, then suddenly just poof it's jacked. It's not as bad as my 1st, but still frustrating. The 1st one wouldn't stay connected to anything, certainly not LTE. Now mine just wants to revert to 3G as soon as it possibly can. Very strange.
My daughter gets very good data with her g2, picks up lte in areas I don't and it gets me frustrated, it sucks I don't no anybody who has a m8 to compare mine with, I'm gonna have to wait till my wife gets hers with her upgrade
Sent from my 831C using XDA Premium 4 mobile app
themuffinman said:
That may or may not make a difference, two of the same devices in the same location can be connected to different towers unless he uses an app to confirm that both are connected to the same tower and even then I have had experience with two exact devices connecting to the same tower and issues with that tower actually affected one device and not the other and nothing was defective with either device. Weird
Click to expand...
Click to collapse
I think it's certainly possible but not that common. And if they do behave the same then he's probably ok. If they don't then he'd have to dig deeper.
One store had several M8's on display and the all behaved identical and very different from mine.
I should have 3 of them tonight to compare One being returned to sprint and one that will get sold in the end.
As a sprint rep who lives in an area that sprint spark and bands 2600 and 800 are being implemented I assure you it is not your device, it is the network. This is happening on all lg g2s, g flexs, s4 tri bands, s4 minis, nexus 5s and gs5s. Since the Soft Bank by out Sprint is doing a massive overhaul on their network. Sure service might suck ass for a few months but you'll appreciate it when its done. Hang in there, its more than likely not your device.
johnnygabe89 said:
As a sprint rep who lives in an area that sprint spark and bands 2600 and 800 are being implemented I assure you it is not your device, it is the network. This is happening on all lg g2s, g flexs, s4 tri bands, s4 minis, nexus 5s and gs5s. Since the Soft Bank by out Sprint is doing a massive overhaul on their network. Sure service might suck ass for a few months but you'll appreciate it when its done. Hang in there, its more than likely not your device.
Click to expand...
Click to collapse
Man I hope your right . Waiting on my replacement now to make sure it's not my device.
Sent from my 831C using XDA Premium 4 mobile app
I see it daily man. From what I have been told, they had problems with cross connecting calls when implementing spark. Since then, they resolved that issue but then created the 4g data/voice connectivity issue. Meaning when you are on 4g, the tower isn't telling your phone when its receiving a call. Ever wonder why the m8 cannot talk and use data at the same time? However an s3 can. Does that phone have this issue? Nope. Its not so much our phones but more so the towers not communicating to our phone the way they should. This is why when you switch to CDMA only instead of CDMA/LTE, you receive voice calls and texts. Again, you can change this in settings/mobile data/network mode.
LTE only mode works perfect when I enable it. It connects to band 26. Switch back to LTE/CDMA and LTE refuses to connect. The reason I'm confused is because everything worked for 3 weeks straight in perfect fashion. The Sprint rep I spoke to said no work was even being done in my area. @johnnygabe89 can you help me understand how this could be?
Sent from my 831C using Tapatalk
FlowingAway said:
LTE only mode works perfect when I enable it. It connects to band 26. Switch back to LTE/CDMA and LTE refuses to connect. The reason I'm confused is because everything worked for 3 weeks straight in perfect fashion. The Sprint rep I spoke to said no work was even being done in my area. @johnnygabe89 can you help me understand how this could be?
Sent from my 831C using Tapatalk
Click to expand...
Click to collapse
Sprint Triband LTE devices do not support SVLTE (Simultaneous Voice and LTE).
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.
Circuit Switched Fallback is a great solution to the issue of Sprint Triband LTE smartphones. But the problem here is that the Sprint network is being upgraded in Network Vision, and not all Sprint parts of the Sprint network can currently support CSFB. And it affects all Sprint Triband LTE phones
If yoou want you can read this article all the way thru
I don't think it's a circuit switch fallback issue. This morning I'm connected to band 25 and lte is working. It's when I connect to band 26 that it disconnects. So maybe its not a broken phone?
Sent from my 831C using Tapatalk
FlowingAway said:
I don't think it's a circuit switch fallback issue. This morning I'm connected to band 25 and lte is working. It's when I connect to band 26 that it disconnects. So maybe its not a broken phone?
Sent from my 831C using Tapatalk
Click to expand...
Click to collapse
Well from what I have gathered from all my reading about the issues is that Band 25 is the Sprint Triband LTE, and Band 26 is the older SVLTE (Simultaneous Voice and LTE) and may not support the CSFB and eCSFB yet.
I could be wrong in my assumption
I feel like I remember reading that band 26 is the new frequency 800
Sent from my 831C using Tapatalk
I also think it's the network. When I first got the phone, I experienced the 3g of death, but have not experienced it much lately as it seems like Sprint is updating their network in my area.
I'm getting LTE in places now that I have never gotten on my M7.
This weekend, I went to LegoLand, which is a highly congested area, and was getting the 3g off death again, which I believe is related to the network. This is similar to when I went to Disneyland with my M7 last year and could never use Sprint service in the park to due to it being a congested area.
I find it helps to turn off roaming in areas where you get the 3g of death and just connect to the Home network. Try that and see if you get better results. It seemed to work for me this past weekend.
It appears that my area is getting LTE added to the Band 26 800Mhz frequency, though it's not fully up and running yet. So my M8 is scanning and sees that band available, and most likely prefers that band, so it connects but it's not fully implemented yet, so it kicks back to 3G. There was a moment this morning where I had fully working LTE, and lo and behold I was on Band 25, not 26.
If only there was a way to disable Band 26 on the M8 until it's totally up and running...
im facing these issues too..it sucks

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