LTE speeds (DQA error(?)) - Verizon Samsung Galaxy S8 Questions & Answers

Hello guys,
I just noticed my LTE speeds were horrible (2.24 M/b download/2.03 M/b upload via internet speed test). My coworker who is using a Samsung Galaxy Note 5 on Verizon is achieving speeds well over 20 M/b. Neither of us are connected to WIFI. I tried to do some research to see if anyone else was having the same issue but haven't found anything on it yet. I got really good speeds on my S6 before the upgrade. I tried to phone in with Verizon's tech support and they weren't much help. I'm wondering if this might have anything to do with the DQA pop-up errors. Hoping an update would fix it but just wanted to isolate the issue if it's software or hardware-related.
Has anyone experience similar issues?

snk012 said:
Hello guys,
I just noticed my LTE speeds were horrible (2.24 M/b download/2.03 M/b upload via internet speed test). My coworker who is using a Samsung Galaxy Note 5 on Verizon is achieving speeds well over 20 M/b. Neither of us are connected to WIFI. I tried to do some research to see if anyone else was having the same issue but haven't found anything on it yet. I got really good speeds on my S6 before the upgrade. I tried to phone in with Verizon's tech support and they weren't much help. I'm wondering if this might have anything to do with the DQA pop-up errors. Hoping an update would fix it but just wanted to isolate the issue if it's software or hardware-related.
Has anyone experience similar issues?
Click to expand...
Click to collapse
I am not using verizon network but i am using a verizon s8 on a different network and already using the latest update. i am able to get 37Mbps for download and 27Mbps Upload speed on my company so i dont think your problems are related to the update but to verizon itself

eoga said:
I am not using verizon network but i am using a verizon s8 on a different network and already using the latest update. i am able to get 37Mbps for download and 27Mbps Upload speed on my company so i dont think your problems are related to the update but to verizon itself
Click to expand...
Click to collapse
Anybody on Verizon able to check if their LTE speeds have been bad? I could just rule out that I am in bad area but since I have other coworkers getting better speeds just trying the diagnose the problem.
Thank you all,

Thought the dqa is for wifi only

I'd say they're pretty damn good on this phone.

47mb down
20mb up
in KS, testing a Dallas server on speedof.me

Sometimes, this is due to a bad sim. Did you get a new sim for the S8?

gqukyo said:
Thought the dqa is for wifi only
Click to expand...
Click to collapse
Nope

eoga said:
I am not using verizon network but i am using a verizon s8 on a different network and already using the latest update. i am able to get 37Mbps for download and 27Mbps Upload speed on my company so i dont think your problems are related to the update but to verizon itself
Click to expand...
Click to collapse
Who do you use on your Verizon S8? I am using at&t but can't get LTE connection to stick. I boot the phone, I have LTE for 2 minutes and then back to HSPA+
Wondering if you are on at&t as well?
Thanks

Dodolom said:
Who do you use on your Verizon S8? I am using at&t but can't get LTE connection to stick. I boot the phone, I have LTE for 2 minutes and then back to HSPA+
Wondering if you are on at&t as well?
Thanks
Click to expand...
Click to collapse
I am using ATT but in Mexico and here ATT only use band 4 and 5 so i dont have any issue. I use ATT (roaming) every time I am there and I do notice that with my old phone (HTC 10) in my area this phone was constantly using band 30 and 4 and changing between them, so after I changed to the verizon s8 I lost band 30 and i was only able to connect using band 4 hence some times i was losing my LTE.
You should do the test with your old phone and LTE discovery and see what bands are you using most of the time and see if your verizon phone have them or not.

I am also having this issue after the update. Slow LTE speeds even when I am in line of site of a tower.

Related

Can this device the 4G one work on tmobile Hugh speed network?

Sent from my SGH-T999 using xda app-developers app
Probably not. T-Mobile's and ATTs 3g bands were different frequencies (1700mhz vs 850/1900). However, in some places T-mobile has started to use 1900mhz and unlocked ATT devices will work. This seems to be random right now and even T-mobile support may not be able to tell you where.
Or you can do what I did, and get nrvate's CM10 build for the i957 (I'm a noob so no links for me yet) then flash this radio: Tmo_SGH-T989_UVLE1_radio.zip (Google it). I get full HSPA+ and have clocked DL speeds up to 19000kbs. Of course YMMV, and no guarantees that it will work for you, won't brick your tab or kill your pets.
cambertoe said:
Probably not. T-Mobile's and ATTs 3g bands were different frequencies (1700mhz vs 850/1900). However, in some places T-mobile has started to use 1900mgz and unlocked ATT devices will work. This seems to be random right now and even T-mobile support may not be able to tell you where.
Or you can do what I did, and get nrvate's CM10 build for the i957 (I'm a noob so no links for me yet) then flash this radio: Tmo_SGH-T989_UVLE1_radio.zip (Google it). I get full HSPA+ and have clocked DL speeds up to 19000kbs. Of course YMMV, and no guarantees that it will work for you, won't brick your tab or kill your pets.
Click to expand...
Click to collapse
WHOA!, are you saying you are getting HSPA+ on TMobile!?
can you PM me a link how to do this. I have my tab rooted, but no roms installed yet. Do you have the links for the roms? What recovery are you using to flash?
Thanks!
BriCo84 said:
WHOA!, are you saying you are getting HSPA+ on TMobile!?
can you PM me a link how to do this. I have my tab rooted, but no roms installed yet. Do you have the links for the roms? What recovery are you using to flash?
Thanks!
Click to expand...
Click to collapse
Yeah it works well with the only problem being the power usage is rather high, and drains faster in idle. After looking at logcat I think this radio doesn't go into idle mode properly so keeps sucking power when not in use. Running it's a little less usage (maybe 30 min less) but on idle it drains in 24 hrs. Turning off 3g helps but for me I can live with this to get 20mb down. When ICS for the i957 finally shows up it should be possible to see a better radio get put in CM10 (which is still in early development, but that's what the ROM below is based on).
I'm using TWRP for recovery. After Clockwork being kind of wonky I have seen the light and use TWRP on all my devices. It just works.
The ROM is here: http://forum.xda-developers.com/showthread.php?t=1867579 and go to post#2. There are some issues but it runs remarkably well for being like 3 weeks old.
This is the radio I used from a Galaxy SII. Google Tmo_SGH-T989_UVLE1_radio.zip and get it from Dev Host. I found out about it looking at radios for similar hardware and found that the Note is close so I took a chace and did it. So far so good!
cambertoe said:
Yeah it works well with the only problem being the power usage is rather high, and drains faster in idle. After looking at logcat I think this radio doesn't go into idle mode properly so keeps sucking power when not in use. Running it's a little less usage (maybe 30 min less) but on idle it drains in 24 hrs. Turning off 3g helps but for me I can live with this to get 20mb down. When ICS for the i957 finally shows up it should be possible to see a better radio get put in CM10 (which is still in early development, but that's what the ROM below is based on).
I'm using TWRP for recovery. After Clockwork being kind of wonky I have seen the light and use TWRP on all my devices. It just works.
The ROM is here: http://forum.xda-developers.com/showthread.php?t=1867579 and go to post#2. There are some issues but it runs remarkably well for being like 3 weeks old.
This is the radio I used from a Galaxy SII. Google Tmo_SGH-T989_UVLE1_radio.zip and get it from Dev Host. I found out about it looking at radios for similar hardware and found that the Note is close so I took a chace and did it. So far so good!
Click to expand...
Click to collapse
This is great to hear. I am going to hold off for now, as I would have to open a TMobile account, and I really dont NEED to have this until I start traveling in a few months.
Now what would be AMAZING, is if somehow this tablet could work on verizon. I have a huge corporate account with them and it would cost me next to nothing to add the tablet to the account, assuming it would work. I didn't think it was possible, but then again, I didn't think TMobile high speed connection was possible either.
Any idea if there is a way to get this working on verizon? Or if anyone is even trying?
BriCo84 said:
Any idea if there is a way to get this working on verizon? Or if anyone is even trying?
Click to expand...
Click to collapse
I can tell you that is impossible. T-Mobile uses GSM and Verizon uses CDMA. You can only put a SIM card device on GSM carriers (TMO and ATT).
cambertoe said:
I can tell you that is impossible. T-Mobile uses GSM and Verizon uses CDMA. You can only put a SIM card device on GSM carriers (TMO and ATT).
Click to expand...
Click to collapse
What about the LTE radios?
Thanks for the reply. Bought one already and hacking it today. Going to do the same thing i did to
Att's note, radio flash!
Sent from my SAMSUNG-SGH-I957 using xda app-developers app
cambertoe said:
Probably not. T-Mobile's and ATTs 3g bands were different frequencies (1700mhz vs 850/1900). However, in some places T-mobile has started to use 1900mgz and unlocked ATT devices will work. This seems to be random right now and even T-mobile support may not be able to tell you where.
Or you can do what I did, and get nrvate's CM10 build for the i957 (I'm a noob so no links for me yet) then flash this radio: Tmo_SGH-T989_UVLE1_radio.zip (Google it). I get full HSPA+ and have clocked DL speeds up to 19000kbs. Of course YMMV, and no guarantees that it will work for you, won't brick your tab or kill your pets.
Click to expand...
Click to collapse
Did you unlock the device, is that necessary?
Sent from my SAMSUNG-SGH-I957 using XDA Premium App
BriCo84 said:
What about the LTE radios?
Click to expand...
Click to collapse
I could not tell you as T-Mobile doesn't have LTE yet. TMO will use a band that the i957 can support, but it will probably take another radio (if any) to work. I've seen 21mb down from HSPA+ so even if I never see LTE I can't be too disappointed
biggie827 said:
Did you unlock the device, is that necessary?
Click to expand...
Click to collapse
Yes it is. The device was locked at ATT and AFAIK there is no other way other than going through a unlock service. I used cell​unlocker.ne​t. $25 and your IMEI gets you a code in a few hours.
cambertoe said:
I could not tell you as T-Mobile doesn't have LTE yet. TMO will use a band that the i957 can support, but it will probably take another radio (if any) to work. I've seen 21mb down from HSPA+ so even if I never see LTE I can't be too disappointed
I am talking about Verizon LTE. Any way of getting it working on Verizon LTE?
Yes it is. The device was locked at ATT and AFAIK there is no other way other than going through a unlock service. I used cell​unlocker.ne​t. $25 and your IMEI gets you a code in a few hours.
Click to expand...
Click to collapse
I can tell you that this is legit. this is what I did. After paying I had the code in minutes and it worked
Sent from my DROID4 using Tapatalk 2
BriCo84 said:
I am talking about Verizon LTE. Any way of getting it working on Verizon LTE?
Click to expand...
Click to collapse
As I said that is impossible because the carriers use incompatible setups. SIM card carriers (GSM) will only work with other SIM card carriers. Verizon uses CDMA with no SIM cards. The networks themselves are completely different and hardware cannot be hacked to work. Most of the world uses GSM with SIM cards and if you travel overseas, you'll need a GSM device to use unlocked devices on any networks. Blame Verizon for picking a standard that 80% of the world doesn't use
Has anyone tried flashing the tmobile high speed radio but on the current rooted stock ICS rom instead of the cm10 rom?
In other words, i have a stock rooted sgh-i957 on samsungs ICS rom and i want to be able to use tmobile high speed network (HSPA+). Does anyone know if thats possible?
Sent from my DROID4 using Tapatalk 2

Running the S4 Active on T-Mobile, anything else I should do?

Hi all.
I have been using my AT&T S4 Active on T-Mobile for the past week. I got it unlocked via an eBay seller and everything has been working great thus far. I had a question though regarding bands and whether or not all the bands available to me are unlocked. Right now where I live I pick up 4G/LTE (although not as strong in my apartment and cuts in and out periodically). I had read that when you unlock a phone via the code it automatically unlocks the bands that were previously not available (when locked to AT&T). Another thread I read that the user has to still unlock those bands. I was hoping someone could clarify this and point me in the right direction! Thanks guys!
jdminpdx said:
Hi all.
I have been using my AT&T S4 Active on T-Mobile for the past week. I got it unlocked via an eBay seller and everything has been working great thus far. I had a question though regarding bands and whether or not all the bands available to me are unlocked. Right now where I live I pick up 4G/LTE (although not as strong in my apartment and cuts in and out periodically). I had read that when you unlock a phone via the code it automatically unlocks the bands that were previously not available (when locked to AT&T). Another thread I read that the user has to still unlock those bands. I was hoping someone could clarify this and point me in the right direction! Thanks guys!
Click to expand...
Click to collapse
Are you able to use mobile data with only unlocking the phone? I am about to buy this phone but i heard after unlocking only call/sms will work and not data.
I read here that for data we need to do other stuff
This phone says " LTE Bands 2, 4, 5 and 17" on AT&T website and I'm wondering if this phone will work on other carriers LTE network(T-Mobile, Verizon, or others?)? I know Verizon is CDMA and at&t and T-Mobile are GSM but can anyone answer this?
Sent from my Xperia Play using xda premium
Works on T-Mobile LTE
cyrusalmighty said:
This phone says " LTE Bands 2, 4, 5 and 17" on AT&T website and I'm wondering if this phone will work on other carriers LTE network(T-Mobile, Verizon, or others?)? I know Verizon is CDMA and at&t and T-Mobile are GSM but can anyone answer this?
Sent from my Xperia Play using xda premium
Click to expand...
Click to collapse
I got the AT&T SGH-i537 model. Pay $15 to have it unlock. Now using it with T-mobile. I got LTE. In some area, I got 23mbps download and 3.6mbps upload. It doubled my Galaxy Nexus speed. The device status info said I am on LTE:14
However, my mobile tethering is disabled. Need to find a way to enable that. Stupid AT&T lock it.
As long as you have the correct setting input into your phone your data will work ( assuming you have a data plan). I remember when the original Iphone came out I unlocked it for T-mobile and had internet on it even though it was branded AT&T only. (EDGE lol 56kb speed) but still it worked...
Root
I unlocked mine with ATT and used it with TMobile while I was in Hawaii. I only had to put my SIM in and I got pretty fast speeds (around 22mbps from what I remember) I don't know if that's the normal speed but compared to the crappy speeds on Guam it was lightening speeds to me! No root or anything needed, no difference after rooting either.
i can confirm it works minus teathering due to att
This is interesting as I thought ATT phones cannot receive Tmobiles LTE.
Sent from my HP SlateBook 10 x2 PC using Tapatalk 4
Does this phone get T Mobiles HSPA+?
Sent from my Samsung S4 Active using Tapatalk 2
Avail211 said:
I unlocked mine with ATT and used it with TMobile while I was in Hawaii. I only had to put my SIM in and I got pretty fast speeds (around 22mbps from what I remember) I don't know if that's the normal speed but compared to the crappy speeds on Guam it was lightening speeds to me! No root or anything needed, no difference after rooting either.
Click to expand...
Click to collapse
tmobile hspa + can get up to 42mbps so that sounds about right.
Sent from my HP SlateBook 10 x2 PC using Tapatalk 4

[Q] Slow 4G/ lte since wifi calling.

Hello,
I tried to search the threads, but i did nit find the information i was looking for, if i did miss this somewhere please point me toward the correct thread and excuse me for this thread.
I was on AOSIP and untill the latest update i was golden, but since the latest update my 4g data transfer speeds are terrible, i litterally see the pictures build as i was the case on old dial-up connections.
I formatted the phone and cleanflashed chroma because i used that before with no problems, but also there is have the slow 4g speeds. i tried resetting my apn settings but to no avail.
I'm on the dutch t-mobile network and thought that the problem is because of the wifi calling.
All data on 4g is slow Streaming music, video, webbrowsing....... the lot.
am i the only one and do i need to RMA my phone or is it somethin known and can somebody help me fix this.
thanks in advance
pauwie said:
Hello,
I tried to search the threads, but i did nit find the information i was looking for, if i did miss this somewhere please point me toward the correct thread and excuse me for this thread.
I was on AOSIP and untill the latest update i was golden, but since the latest update my 4g data transfer speeds are terrible, i litterally see the pictures build as i was the case on old dial-up connections.
I formatted the phone and cleanflashed chroma because i used that before with no problems, but also there is have the slow 4g speeds. i tried resetting my apn settings but to no avail.
I'm on the dutch t-mobile network and thought that the problem is because of the wifi calling.
All data on 4g is slow Streaming music, video, webbrowsing....... the lot.
am i the only one and do i need to RMA my phone or is it somethin known and can somebody help me fix this.
thanks in advance
Click to expand...
Click to collapse
sounds like the issue is with your local provider, not your actual phone. if your local network has many people on it, it will reduce speeds. the more people, the slower speeds will be.
simms22 said:
sounds like the issue is with your local provider, not your actual phone. if your local network has many people on it, it will reduce speeds. the more people, the slower speeds will be.
Click to expand...
Click to collapse
thank you for your quick reply, but i ned to add, i tested it next to someone on the same network at the same locations, and for a few days it is only my phone that is extremely slow.
pauwie said:
thank you for your quick reply, but i ned to add, i tested it next to someone on the same network at the same locations, and for a few days it is only my phone that is extremely slow.
Click to expand...
Click to collapse
then check your apn. you can be using an older apn, or it might not bd properly entered. that can cause reduced speeds as well.
simms22 said:
then check your apn. you can be using an older apn, or it might not bd properly entered. that can cause reduced speeds as well.
Click to expand...
Click to collapse
tried that too...no dice
pauwie said:
tried that too...no dice
Click to expand...
Click to collapse
have you googled to check if there are any alternative apn setting for your carrier that you can use? i use tmobile in the states, and they have 4 different apns that i can use. in 3 of them, i get slower speeds, on thd one that i use, i get faster speeds.
simms22 said:
have you googled to check if there are any alternative apn setting for your carrier that you can use? i use tmobile in the states, and they have 4 different apns that i can use. in 3 of them, i get slower speeds, on thd one that i use, i get faster speeds.
Click to expand...
Click to collapse
'will try that one, received new apn settings from customer service today, but trying another cant hurt
pauwie said:
'will try that one, received new apn settings from customer service today, but trying another cant hurt
Click to expand...
Click to collapse
nope, cant hurt. ive been using what already on the phone, but i found another apn with google, and it gives me faster speeds, so ive been using that one lately.
simms22 said:
nope, cant hurt. ive been using what already on the phone, but i found another apn with google, and it gives me faster speeds, so ive been using that one lately.
Click to expand...
Click to collapse
Which one do you use? Fast.T-Mobile?
Sent from my Nexus 6 using Tapatalk
Mine slow in Houston on Verizon. Don't know if throttled but shouldn't be. APN #s on Google different from what on stock Nexus 6.
Well since the release of 5.1.1, band 12 has been opened up on T-Mobile. Chances are that you are on it now instead of the typical band 4.band 12 is slower but way more reliable and gets through buildings better than 4.
For instance, on 4 I was able to easily get up to 60mbps, but on band 12 I can't break 20. So I would say it's the carrier instead of your device.
graydiggy said:
Well since the release of 5.1.1, band 12 has been opened up on T-Mobile. Chances are that you are on it now instead of the typical band 4.band 12 is slower but way more reliable and gets through buildings better than 4.
For instance, on 4 I was able to easily get up to 60mbps, but on band 12 I can't break 20. So I would say it's the carrier instead of your device.
Click to expand...
Click to collapse
simms22 said:
nope, cant hurt. ive been using what already on the phone, but i found another apn with google, and it gives me faster speeds, so ive been using that one lately.
Click to expand...
Click to collapse
thanks for all the tips guys, but no succes, there are no other apn's and if it is related to the 12 band in stead of the 4, the probably don't support that here in the Netherlands yet.
will try to find an older build and hope it is fixed then.
Thank you all for the replies, it was an error at t-mobile they accidentally stopped my 4G subscription, what are the odds it falls together with me flashing a rom.
prdog1 said:
Mine slow in Houston on Verizon. Don't know if throttled but shouldn't be. APN #s on Google different from what on stock Nexus 6.
Click to expand...
Click to collapse
I'm starting to find Houston is just saturated. My Verizon and T-Mobile have been much slower than in years past. Time to move to Sprint. No one is on there hahahah
Sent from my Nexus 6 using Tapatalk
I've been noticing slower than usual LTE speeds lately on my Nexus 6. I'd normally get 45+ Mbps but Speedtest app has been showing 15. What fixed it for me was going into the APN settings and changing the APN protocol to include IPv4. For me, without IPv4 would give Spotify issues. I recently flashed the System image which probably changed it back to IPv6 only (which is the default for some reason). As soon as I did this my speed went back up from 15 to 45. Switching the protocol between IPv4 and IPv6 was consistently affecting my LTE speed. Setting it to IPv4/IPv6 works as well.

Did anyone get LTE to work with T-Mobile so far?

Hello. I've just talked with T-Mobile over one hour trying to make the phone connect to LTE. I've read multiple threads and things about it with very disheartening mixed results. I'm about to pack it and unfortunately send it back to them unless some knight in shining armor can really show me what is going wrong here.
I've tested in multiple ways the speed, the symbol doesn't switch from 4G and the speed barely reaches 10 mb.
Any luck?
perezdi said:
Hello. I've just talked with T-Mobile over one hour trying to make the phone connect to LTE. I've read multiple threads and things about it with very disheartening mixed results. I'm about to pack it and unfortunately send it back to them unless some knight in shining armor can really show me what is going wrong here.
I've tested in multiple ways the speed, the symbol doesn't switch from 4G and the speed barely reaches 10 mb.
Any luck?
Click to expand...
Click to collapse
I just tested both Nexus 5 that we have in the house and although they seem to connect to LTE, they also have low speed, so I suppose it is a network problem from the company. Let me know in case anyone has anything about it being a consistent problem on the OnePlus 3T though. Thanks.
perezdi said:
I just tested both Nexus 5 that we have in the house and although they seem to connect to LTE, they also have low speed, so I suppose it is a network problem from the company. Let me know in case anyone has anything about it being a consistent problem on the OnePlus 3T though. Thanks.
Click to expand...
Click to collapse
You probably got the wrong version. Everybody who can't get LTE eventually figures out they got the Chinese or European version NOT the united States version.
perezdi said:
Hello. I've just talked with T-Mobile over one hour trying to make the phone connect to LTE. I've read multiple threads and things about it with very disheartening mixed results. I'm about to pack it and unfortunately send it back to them unless some knight in shining armor can really show me what is going wrong here.
I've tested in multiple ways the speed, the symbol doesn't switch from 4G and the speed barely reaches 10 mb.
Any luck?
Click to expand...
Click to collapse
Yes u def got the wrong model I have the 3 and the 3T running TMobile I have LTE and Volte send it back and get the North American version
perezdi said:
Hello. I've just talked with T-Mobile over one hour trying to make the phone connect to LTE. I've read multiple threads and things about it with very disheartening mixed results. I'm about to pack it and unfortunately send it back to them unless some knight in shining armor can really show me what is going wrong here.
I've tested in multiple ways the speed, the symbol doesn't switch from 4G and the speed barely reaches 10 mb.
Any luck?
Click to expand...
Click to collapse
genuine55 said:
Yes u def got the wrong model I have the 3 and the 3T running TMobile I have LTE and Volte send it back and get the North American version
Click to expand...
Click to collapse
How can I check if I have the correct version?
954wrecker said:
You probably got the wrong version. Everybody who can't get LTE eventually figures out they got the Chinese or European version NOT the united States version.
Click to expand...
Click to collapse
Where can I find the definition for US, EU and Chinese versions?
Settings/about phone/ model. You want it to say A3000. Guessing yours does not
perezdi said:
Where can I find the definition for US, EU and Chinese versions?
Click to expand...
Click to collapse
If you didn't order from OnePlus.net directly then you got the wrong version. Hopefully you didn't get Craigslist'd
Wickidmasshole said:
Settings/about phone/ model. You want it to say A3000. Guessing yours does not
Click to expand...
Click to collapse
http://imgur.com/a/u3n41
Mmm, I've tested on the other phones again. All of them display LTE, none of them are getting top speeds like they usually do and the model seems to be correct. OnePlus 3T still display as 4G and has the same speed in the same network. Might be a T-Mobile problem.
perezdi said:
http://imgur.com/a/u3n41
Mmm, I've tested on the other phones again. All of them display LTE, none of them are getting top speeds like they usually do and the model seems to be correct.
Click to expand...
Click to collapse
T-Mobile always has issues for you or just recently?
Definitely a T-Mobile issue
954wrecker said:
T-Mobile issue in your area. Try AT&T they are much faster in my area also.
Click to expand...
Click to collapse
Interesting. I might just do that. I never had this problem before. Thanks.
954wrecker said:
If you didn't order from OnePlus.net directly then you got the wrong version. Hopefully you didn't get Craigslist'd
Click to expand...
Click to collapse
I bought it directly from their website.
954wrecker said:
T-Mobile always has issues for you or just recently?
Definitely a T-Mobile issue
Click to expand...
Click to collapse
Yeah, it seems like it. To be honest, I rarely check for LTE connection since I spend most of my days in a big zone with Wi-Fi everywhere. It's usually by train and all and since I don't use Netflix and all it might be a common problem and I never realized (but my old phone very rarely switched from LTE to 4G).
I'll call them about it.
Upgrade to OOS 4.1 see if it helps
Im having speed issues with Tmobile and the op3. My s7e and zuk z2 get 20-40mbps download, the op3 gets less than 1, but 9 mbps upload.
All connected on band 4, something is up...
Update OOS. apparently there were issues with T-Mobile and Carrier aggragation going on early in the phone's life. otherwise I have zero issues. That may solve your problem.
I purchased a midnight black and have been using it for about a week now, I flashed Freedom OS and havent had any LTE issues on T-Mobile
I'm on T-Mobile, model A3000, and mine is displaying the LTE logo and getting great speeds (40mb/s +). Is there anything I can check in my settings that would help you troubleshoot?
I'm with T-Mobile and I have no problems with my OnePlus 3T.
Sent from my ONEPLUS A3000 using XDA-Developers Legacy app
Like others have said, update your OxygenOS first, there have been carrier improvements since the version you're on. My 3T has had zero issues w/ T-Mobile. I get VoLTE and VoWiFi w/ no issues, along with respective LTE speeds.

SM-N950F Slow Network Speeds On AT&T

Hey there fellas! I recently purchased an international Galaxy Note 8 to use on AT&T here in the U.S. Everything appears to work fine except the speed of my network. Normally in this area I would be getting LTE speeds around 30-40 up and down. With the Note 8 is displays H+ (which I understand to be LTE, but I may be wrong) and I get around 5-7 down and often less than 1mbps up. Some have suggested setting the preferred network time to LTE/UMTS auto (PRL) which was already selected on my device. Is there anything else I can do to get the proper speeds? Thanks!
SacrificedWalrus said:
Hey there fellas! I recently purchased an international Galaxy Note 8 to use on AT&T Thanks!
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On all of my international versions H+ was 3G and 4G was LTE. Depending on the area with 4G I would get 20 - 50 megs down on AT&T. On my 950U1 my settings under #*#*4636*#*# I have TD-SCDMA/CDMA/UMTS selected by default and mine shows LTE and depending on the area up to 100 megs down.
H+ is 3G, or 3.5G for some carriers
CodeNameRedNeck said:
On all of my international versions H+ was 3G and 4G was LTE. Depending on the area with 4G I would get 20 - 50 megs down on AT&T. On my 950U1 my settings under #*#*4636*#*# I have TD-SCDMA/CDMA/UMTS selected by default and mine shows LTE and depending on the area up to 100 megs down.
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Ah, that would explain why my speeds are so slow. Thank you for clearing that up. I attempted to select TD-SCDMA/CDMA/UMTS as my preferred network mode but for whatever reason it will not apply. When I reopen that settings menu it goes back to whatever option was selected prior to that. Do you think it could have something to do with the selected APN? I have ATT Phone as my current APN, but at the store they were trying to use ATT Nextgenphone, which didn't work.
SacrificedWalrus said:
but at the store they were trying to use ATT Nextgenphone, which didn't work.
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I would do all I could to get the Nextgenphone APN working. It is what I used on all my international phones.
Took the Note 8 into the AT&T store today and swapped out the sim card without any luck. As usual they couldn't provide any help beyond that. I also I can't select TD-SCDMA/CDMA/UMTS as my preferred network type for some reason. I contacted the person I bought the phone from and they claimed they used it on Verizon's LTE network without an issue. Very strange.
CodeNameRedNeck said:
I would do all I could to get the Nextgenphone APN working. It is what I used on all my international phones.
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Would you mind sharing what your CSC on your Note 8 is? I might end up flashing whatever firmware your phone is using, as mine is currently running a firmware for French phones. Not sure if thats the issue, but its possible.
SacrificedWalrus said:
Would you mind sharing what your CSC on your Note 8 is?
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When your look for the firmware look for 950U1 for AT&T. I would look around for a thread on flashing other regions first just to be safe.
CodeNameRedNeck said:
When your look for the firmware look for 950U1 for AT&T. I would look around for a thread on flashing other regions first just to be safe.
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I may be totally off here, but wouldn't that be an issue as the AT&T variant uses a Snapdragon SoC, while my device uses Exynos? Another concern for me would the ability to root as well, which is one of the reasons I decided not to buy an AT&T branded phone. Thanks for your help so far man, I appreciate it!
SacrificedWalrus said:
I may be totally off here, but wouldn't that be an issue as the AT&T variant uses a Snapdragon SoC, while my device uses Exynos? Another concern for me would the ability to root as well, which is one of the reasons I decided not to buy an AT&T branded phone. Thanks for your help so far man, I appreciate it!
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You are right. There is no AT&T firmware for your phone. Unless they changed something with the Note8 you should still be able to get 4G. I did with my international Note4, Note5, and Xperia Z5 Premium models. My son is using the Note5 with an Exynos processor and gets 4G speeds comparable to LTE speeds in the area.
Had this problem as well way back when I first got my 950F.
There are solutions. But you would need one of 2 things.
1. Get At&t to add your IMEI# TO their database so that they can provision your phone correctly.
2. Get another At&t branded phone's IMEI# that is LTE COMPATIBLE. and call them to provision you phone with that #.
My phone is getting full LTE speeds and VOLTE.
But I had them put in the IMEI# of my older Note 5!( which my wife is currently using)...
Hope this helps.
LouK said:
Had this problem as well way back when I first got my 950F.
There are solutions. But you would need one of 2 things.
1. Get At&t to add your IMEI# TO their database so that they can provision your phone correctly.
2. Get another At&t branded phone's IMEI# that is LTE COMPATIBLE. and call them to provision you phone with that #.
My phone is getting full LTE speeds and VOLTE.
But I had them put in the IMEI# of my older Note 5!( which my wife is currently using)...
Hope this helps.
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Thanks for the reply. I called ATT and gave them your suggestion and they claimed that it would not work. They said provisioning my new phone with an IMEI of a different phone would be temporary up to 2-3 weeks. Have you encountered this issue? I'm assuming not, so I'm curious as to how long you've had this fixed. Thanks again man
LouK said:
Had this problem as well way back when I first got my 950F.
There are solutions. But you would need one of 2 things.
1. Get At&t to add your IMEI# TO their database so that they can provision your phone correctly.
2. Get another At&t branded phone's IMEI# that is LTE COMPATIBLE. and call them to provision you phone with that #.
My phone is getting full LTE speeds and VOLTE.
But I had them put in the IMEI# of my older Note 5!( which my wife is currently using)...
Hope this helps.
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^^ this. ATT LTE won't work unless the IMEI is provisioned .
Sent from my SM-N950U using Tapatalk
SacrificedWalrus said:
Thanks for the reply. I called ATT and gave them your suggestion and they claimed that it would not work. They said provisioning my new phone with an IMEI of a different phone would be temporary up to 2-3 weeks. Have you encountered this issue? I'm assuming not, so I'm curious as to how long you've had this fixed. Thanks again man
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I'v been using my N8 since it came out with my old N5 imei#
As I said be4 basically 4g LTE. &VoLTE Works.
Wifi calling etc.. no.
AND my wife is using the N5 so basically we have two phones on same account with same imei#!

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