Database Info

Disable LTE without custom ROM?

I have the ATT HOX and want to disable LTE due to the known issues with missed calls etc. Would it be possible to disable it through root access WITHOUT installing a custom ROM?

I'm not sure what AT&T do to their phones but can you not change it via Settings > Mobile Network > Network mode.
Sent from my HTC One XL using xda premium

thejosh86 said:
I'm not sure what AT&T do to their phones but can you not change it via Settings > Mobile Network > Network mode.
Sent from my HTC One XL using xda premium
Click to expand...
Click to collapse
That's how it's done on my Rogers device.. should be the same on all.

this_is_nick6 said:
That's how it's done on my Rogers device.. should be the same on all.
Click to expand...
Click to collapse
Same on Telstra
Phone: HTC One XL
ROM: AOKP 4.2.1 MR1 preview w/ alloy blue theme
Launcher: Apex w/glaskart icons

Att one x doesn't have that function. Try to do it in service menu trying typing in *#*#4636#*#*
Go to phone info and scroll down. It works for me on clean Rom but not sure about stock rom

a670 said:
I have the ATT HOX and want to disable LTE due to the known issues with missed calls etc. Would it be possible to disable it through root access WITHOUT installing a custom ROM?
Click to expand...
Click to collapse
What known missed calls issue? What would LTE have to do with missed calls? LTE on AT&T is data only. It doesn't do anything with calls. You can dial *#*#4636#*#* and try to set it to gsm only or something.
Sent from my One X using Tapatalk 2

Believe me I have tried. It's not possible. But ik you said you didn't want to, but you really should look into custom ROMs. There's some that are basically stock with just better battery

Except for ATT. Its a well documented fact that they have it disabled. Any changes you make revert back to default.
this_is_nick6 said:
That's how it's done on my Rogers device.. should be the same on all.
Click to expand...
Click to collapse

Its a fairly well known issue with ATT and LTE phones.
As far as I can tell since LTE IS data only it has a hard time receiving calls when its connected to the LTE network. I think it has something to do with only having 1 antenna and it cant communicate on voice and data at the same time. Or, maybe not.:silly: All I know is that when my phone is connected to LTE I will not receive phone calls. All calls will ring a few times and then go to voice mail. I eventually get voice message notifications when the phone switches out of LTE.
Any changes made in the field test mode do not stick. Thank you very much ATT.
pside15 said:
What known missed calls issue? What would LTE have to do with missed calls? LTE on AT&T is data only. It doesn't do anything with calls. You can dial *#*#4636#*#* and try to set it to gsm only or something.
Sent from my One X using Tapatalk 2
Click to expand...
Click to collapse

a670 said:
Its a fairly well known issue with ATT and LTE phones.
As far as I can tell since LTE IS data only it has a hard time receiving calls when its connected to the LTE network. I think it has something to do with only having 1 antenna and it cant communicate on voice and data at the same time. Or, maybe not.:silly: All I know is that when my phone is connected to LTE I will not receive phone calls. All calls will ring a few times and then go to voice mail. I eventually get voice message notifications when the phone switches out of LTE.
Any changes made in the field test mode do not stick.
Click to expand...
Click to collapse
I've had 3 different LTE phones on AT&T and never had issues with missed calls and I'm constantly on a LTE connection. My phone kicks to hspa+ right before I receive a call and then it rings. Goes back to LTE about 30 seconds after I hang up. The only thing I can think of is that you are on LTE only in the field test mode thing. That will definitely give you call problems. What does it say that you are connected to when you go into the phone information menu?
Sent from my One X using Tapatalk 2

pside15 said:
I've had 3 different LTE phones on AT&T and never had issues with missed calls and I'm constantly on a LTE connection. My phone kicks to hspa+ right before I receive a call and then it rings. Goes back to LTE about 30 seconds after I hang up. The only thing I can think of is that you are on LTE only in the field test mode thing. That will definitely give you call problems. What does it say that you are connected to when you go into the phone information menu?
Sent from my One X using Tapatalk 2
Click to expand...
Click to collapse
I've had a few LTE phones too but I can confirm that this is an issue with AT&T and the HOX. (At least in certain areas.) The phone is *supposed* to do what you said and switch off LTE when a call comes in but that doesn't always happen. I've noticed it the most at my office where I usually have 4 bars of "4G LTE" or one or two bars of "4G". I'll have a long period of time with no incoming calls or texts and then when I make a call (and the phone switches to "4G") I get the backlog of voicemails and text messages. Hard resets haven't helped and AT&T refuses to admit that it's a problem.

Heres a summary of what I have found:
1 Being in field test mode does not affect incoming calls.
2. When making outgoing phone calls with LTE or HSPA displayed in field test mode, the connection will switch to UMTS and then revert back to LTE or HSPA after hanging up. I dont know what that means, just throwing it out there.
3. On a few occasions during my testing I have noticed that I could not receive calls when HSPA is displayed in field test mode. I think that the phone had just switched from LTE, although I havent been able to 100% verify that.
4. My connection at my house varies between LTE, HSPA,EDGE.
5. EDGE is great. My phone makes and receives calls all day long when I have a EDGE connection.
6. Most of my testing has been at home where I have crappy reception to begin with. On a few occasions when I had my wife with me I had her call my phone(connected to LTE). Same as when at home, my pone never rings.
pside15;36112809]I've had 3 different LTE phones on AT&T and never had issues with missed calls and I'm constantly on a LTE connection. My phone kicks to hspa+ right before I receive a call and then it rings. Goes back to LTE about 30 seconds after I hang up. The only thing I can think of is that you are on LTE only in the field test mode thing. That will definitely give you call problems. What does it say that you are connected to when you go into the phone information menu?
Sent from my One X using Tapatalk 2[/QUOTE]

ITNV said:
I've had a few LTE phones too but I can confirm that this is an issue with AT&T and the HOX. (At least in certain areas.) The phone is *supposed* to do what you said and switch off LTE when a call comes in but that doesn't always happen......".
Click to expand...
Click to collapse
Exactly!

I have Samsung Galaxy S3 on AT&T and I have same issue when connected to LTE. I have been working with AT&T CSR for over a week and no resolution yet. I have talked them into switching my data plan from 300MB LTE to Unlimited Standard Phone data plan. (Unlimited standard phone data plan uses HSPA+ and not LTE, which would resolve the issue)
From what I have understood so far, its not the phone, its the AT&T LTE network.

Wouldnt people with the same phone have more answers for you?
Sent from my HTC One XL

Who are you talking to
954wrecker said:
Wouldnt people with the same phone have more answers for you?
Sent from my HTC One XL
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Click to collapse

AlwaysNoob said:
I have Samsung Galaxy S3 on AT&T and I have same issue when connected to LTE. I have been working with AT&T CSR for over a week and no resolution yet. I have talked them into switching my data plan from 300MB LTE to Unlimited Standard Phone data plan. (Unlimited standard phone data plan uses HSPA+ and not LTE, which would resolve the issue)
From what I have understood so far, its not the phone, its the AT&T LTE network.
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Click to collapse
I didnt even know that kind of plan existed. Have you switched over yet? Does it work?:fingers-crossed:

a670 said:
I have the ATT HOX and want to disable LTE due to the known issues with missed calls etc. Would it be possible to disable it through root access WITHOUT installing a custom ROM?
Click to expand...
Click to collapse
Have you tried this? http://forum.xda-developers.com/showpost.php?p=27732183&postcount=8

954wrecker said:
Wouldnt people with the same phone have more answers for you?
Sent from my HTC One XL
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Click to collapse
No, because this issue is not related to the phone but its related to AT&T LTE network. So everyone on AT&T LTE network has same issue and not only people with HTC one X.
---------- Post added at 03:20 PM ---------- Previous post was at 03:17 PM ----------
a670 said:
I didnt even know that kind of plan existed. Have you switched over yet? Does it work?:fingers-crossed:
Click to expand...
Click to collapse
I was on phone with them last night. They have created a case number for me so their "technical team" can look into it. They promised me to get back to me before friday on this.
For changing the data plan, the CSR tried to change it but it didnt work yesterday. I blame it on the CSR because I know some people on XDA has done that before. I am gonna call them again and have a different CSR try it or me.
And plus, with this change, you get unlimited HSPA+ for just $10.

cr1960 said:
Have you tried this? http://forum.xda-developers.com/showpost.php?p=27732183&postcount=8
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Click to collapse
Thanks for the link. Those settings actually worked for me. I had already tried a couple different APN configs but none of them seemed to stick.
So, now I have successfully disabled LTE.
Unfortunately, I'm still having intermittent missed calls with the phone connected to HSPA. Also, At work in certain areas, we have rock solid LTE reception and guess what...no missed calls. WTFrack?
At home the only time I can get regular calls is when the phone is connected to EDGE.
I seriously think that there must some relationship between 4G/LTE and signal strength. Does anyone know If EDGE and 4G/LTE use the same towers or same power outputs?

Virtually no SMS or calls when wifi connected

Since yesterday morning I receive very few SMSs or calls when wifi is connected.
I installed 4.4.4 a few days before that so I doubt it's that (although I supposed it's possible)
I've reflashed the radio, reflashed 4.4.4 in its entirety, flashed CM11 - all with the same result - when wifi's connected I hardly ever receive any calls or SMSs (no problems dialing out or sending)
Unless anyone else has similar problems I don't think it's worth going back to 4.4.3.
So now I'm left wondering if it's the hardware or the SIM, or...?

BritSwedeGuy said:
Since yesterday morning I receive very few SMSs or calls when wifi is connected.
I installed 4.4.4 a few days before that so I doubt it's that (although I supposed it's possible)
I've reflashed the radio, reflashed 4.4.4 in its entirety, flashed CM11 - all with the same result - when wifi's connected I hardly ever receive any calls or SMSs (no problems dialing out or sending)
Unless anyone else has similar problems I don't think it's worth going back to 4.4.3.
So now I'm left wondering if it's the hardware or the SIM, or...?
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Click to collapse
do you have a phone signal on wifi?

Zepius said:
do you have a phone signal on wifi?
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Yes, I can dial out and send SMSs.

When someone calls you what signal do they get? And their messages stay "pending"?

MidnightDevil said:
When someone calls you what signal do they get? And their messages stay "pending"?
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Click to collapse
They either get a ringing tone a few times at their end end then an unavailable tone, or just an unavailable tone / message.
The messages eventually arrive, maybe 6-10 hours later, or when I switch wifi off.

BritSwedeGuy said:
They either get a ringing tone a few times at their end end then an unavailable tone, or just an unavailable tone / message.
The messages eventually arrive, maybe 6-10 hours later, or when I switch wifi off.
Click to expand...
Click to collapse
Turn off LTE and I bet it will work. It's been a known issue for awhile with LTE and WIFI on you will miss calls/sms.
Google it and you will see many threads about it.

HeXDeMoN said:
Turn off LTE and I bet it will work. It's been a known issue for awhile with LTE and WIFI on you will miss calls/sms.
Google it and you will see many threads about it.
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Click to collapse
Weird - I had already read up on that (it seemed to be a pre 4.4.3 problem) and could swear I had already tried switching it without success but now I've switched again it seems to have done the trick - I'm just waiting to get some test SMSs sent. :good:
I wonder why it worked okay until yesterday morning and then just suddenly stopped working - it would suck if I'd paid for 4G!
I suppose it's of some comfort that I'm not the only one on 4.4.4 with this problem...
https://productforums.google.com/forum/#!topic/nexus/eOToYgJXdrw/discussion[426-450-false]

I've tried it again - back to not receiving calls or SMSs even with 4G turned off unless I'm disconnected from wifi.

A few minutes on the phone to Google - and they're sending me a new phone! :victory:

This is a long standing issue with the N5. A solution that worked for me is to disable keeping WIFI on during sleep. Not sure if that will work for everybody though.

BritSwedeGuy said:
A few minutes on the phone to Google - and they're sending me a new phone! :victory:
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Click to collapse
How did that conversation go? When I bought my phone, it took something like 2 hours for it to download the required sprint activation package (I think it was something like 50mb)...And the radio has been giving me grief ever since day 1 with signal constantly dropping any/everywhere...I just thought it was more related to Sprints crummy service in my area though.

OTA update killed all data connections

I am on T-Mobile since April and everything has been fine except the known LTE handoff issue, I just keep the phone in UMTS always.
The night of Oct 28th I received an OTA (not a system update) and I guess it changed radio settings or updated the firmware. Ever since, NOTHING I do will get the phone to pick up ANY data signal on T-Mobile. Did Verizon decide to block the Maxx from use on other networks???
On wifi everything is fine, but I get no GSM data, no Edge, no 3G, no HSPA and no LTE. I can't receive any media text messages either.
Can anyone tell me what the hell happened?
100% stock Droid MAXX, on 4.4.4
23.3.24.obake-maxx.verizon.en.US
MSM8960PRO_BP_23255.127.76.00R
3.4.42-gd47915e-00002-g37bce85 [email protected] #1
Phone is non-Dev edition (as far as I know), I'd be happy to even put another ROM on this thing if possible, I know there is a MotoX ROM that also fixes the LTE issue on the Maxx.
I use this as my primary/business phone so it's really unconvenient to have no data while im out and about during the day!
Please help!

seandean41 said:
I am on T-Mobile since April and everything has been fine except the known LTE handoff issue, I just keep the phone in UMTS always.
The night of Oct 28th I received an OTA (not a system update) and I guess it changed radio settings or updated the firmware. Ever since, NOTHING I do will get the phone to pick up ANY data signal on T-Mobile. Did Verizon decide to block the Maxx from use on other networks???
On wifi everything is fine, but I get no GSM data, no Edge, no 3G, no HSPA and no LTE. I can't receive any media text messages either.
Can anyone tell me what the hell happened?
100% stock Droid MAXX, on 4.4.4
23.3.24.obake-maxx.verizon.en.US
MSM8960PRO_BP_23255.127.76.00R
3.4.42-gd47915e-00002-g37bce85 [email protected] #1
Phone is non-Dev edition (as far as I know), I'd be happy to even put another ROM on this thing if possible, I know there is a MotoX ROM that also fixes the LTE issue on the Maxx.
I use this as my primary/business phone so it's really unconvenient to have no data while im out and about during the day!
Please help!
Click to expand...
Click to collapse
Try a factory reset, and reset your APN to default, and re-enter the settings. As I stated in the other thread you posted in, update is working great for me, and Verizon can't lock the Maxx/Ultra/M to their network as part of the FCC's Block C agreement.

thenameisnigel said:
Try a factory reset, and reset your APN to default, and re-enter the settings. As I stated in the other thread you posted in, update is working great for me, and Verizon can't lock the Maxx/Ultra/M to their network as part of the FCC's Block C agreement.
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Click to collapse
Ok, I did the factory data reset and and it's still the same.
One strange thing I noticed is that it will say 3G or 4GLTE in the status bar right next to the signal strength, but it's grayed out, and only present when wifi is turned on. As soon as I turn wifi off, the 3G or 4G logo disappears instantly.
It did this both before and after the reset. regardless, when I'm not on wifi I have ZERO access to data networks.
Phone worked great on tuesday, and now it's pretty much useless after Verizon update. How can I roll back to the previous firmware ?

you could try replacing the radio from previous version.

pijes said:
you could try replacing the radio from previous version.
Click to expand...
Click to collapse
Could you point me to a walk-through for this and is it possible on a stock non-developer edition?

1FF-obake_verizon-user-4.4.4-SU5-23-release-keys.xml.zip REVERT
seandean41 said:
I am on T-Mobile since April and everything has been fine except the known LTE handoff issue, I just keep the phone in UMTS always.
The night of Oct 28th I received an OTA (not a system update) and I guess it changed radio settings or updated the firmware. Ever since, NOTHING I do will get the phone to pick up ANY data signal on T-Mobile. Did Verizon decide to block the Maxx from use on other networks???
On wifi everything is fine, but I get no GSM data, no Edge, no 3G, no HSPA and no LTE. I can't receive any media text messages either.
Can anyone tell me what the hell happened?
100% stock Droid MAXX, on 4.4.4
23.3.24.obake-maxx.verizon.en.US
MSM8960PRO_BP_23255.127.76.00R
3.4.42-gd47915e-00002-g37bce85 [email protected] #1
Phone is non-Dev edition (as far as I know), I'd be happy to even put another ROM on this thing if possible, I know there is a MotoX ROM that also fixes the LTE issue on the Maxx.
I use this as my primary/business phone so it's really unconvenient to have no data while im out and about during the day!
Please help!
Click to expand...
Click to collapse
I have a droid maxx on t mobile and i have had no problem using H+ instead of LTE for txting and data here in chicago...
but last night i accepted the XLTE (1FF-obake_verizon-user-4.4.4-SU5-23-release-keys.xml.zip) OTA and quickly realized that t mobile data no longer worked. I tried to revert back using RSD lite but that failed due to downgrade protection...i was thinking i would have to just flash a 4.4.4 gummyrom over stock and move on but then i remembered i had an old twrp backup of 1FF-obake_verizon-user-4.4.4-SU4.21-release-keys.xml.zip from earlier in september
you must have an unlocked bootloader and twrp installed to restore the backup but the restore was successful and bypassed the downgrade protection...gsm carrier data was once again working...
i will post a link to my twrp backup once it finishes uploading...and if anyone else has a 1FF-obake_verizon-user-4.4.4-SU4.21 stock twrp backup they could share that would also be a huge help
ps.youre only chance to unlock your bootloader is sunshine or stumproot or another on of jcases masterpieces if it wasnt already patched by this last XLTE update

seandean41 said:
Could you point me to a walk-through for this and is it possible on a stock non-developer edition?
Click to expand...
Click to collapse
Go inside the Droid Ultra Original Android Development and look for thread with [Radio] in the title. The latest that comes with VoLTE update was posted by CrazyRussianXDA (this is the one inside your phone now), previous versions were by Topsnake. Create a folder called fastboot and extract the files there. You must download the fastboot tool here - http://forum.xda-developers.com/showthread.php?t=2317790, install it into the same fastboot folder. Just follow the simple steps and yes it is possible to do it on stock non-developer version. Just for precaution, do not copy and paste the command, type them in.

So I haven't changed a thing on the phone. This morning I re-entered the SAME APN info yet again with no luck.
Today around noon, while driving my phone suddenly starts getting emails and now seems to be working fine. Even the LTE handoff issue on T-Mobile seems to be gone.
I have no clue. . . but it works now!
I GREATLY appreciate everyone's help on this matter! Maybe an issue to watch out for in coming weeks ?

seandean41 said:
So I haven't changed a thing on the phone. This morning I re-entered the SAME APN info yet again with no luck.
Today around noon, while driving my phone suddenly starts getting emails and now seems to be working fine. Even the LTE handoff issue on T-Mobile seems to be gone.
I have no clue. . . but it works now!
I GREATLY appreciate everyone's help on this matter! Maybe an issue to watch out for in coming weeks ?
Click to expand...
Click to collapse
seandean41...Are you saying that your phone is not having any issues with T-mobile now? Like it fixed the LTE handoff issue?

jmaclean62 said:
seandean41...Are you saying that your phone is not having any issues with T-mobile now? Like it fixed the LTE handoff issue?
Click to expand...
Click to collapse
Yea I have it set to automatically select network now and it's sitting on my desk in LTE mode, yet I can pick up the phone and make a call no problem.
It used to always drop the first call and then if you redialed while it was in HSPA it would make the call.
Texting working fine too.
T-mobile had told me that they were having some data issues in my area, so I wonder if being halfway across the county today at lunch did something. The original problem was definitely something with the phone because if wifi was turned off, it wouldn't even display a G, E, 3G, or 4G logo. And with wifi on, the logo was grayed out and totally nonfunctional.
but maybe talking to another tower did something with the radio. . . . . . no idea really. Shooting in the dark here!

seandean41 said:
Yea I have it set to automatically select network now and it's sitting on my desk in LTE mode, yet I can pick up the phone and make a call no problem.
It used to always drop the first call and then if you redialed while it was in HSPA it would make the call.
Texting working fine too.
T-mobile had told me that they were having some data issues in my area, so I wonder if being halfway across the county today at lunch did something. The original problem was definitely something with the phone because if wifi was turned off, it wouldn't even display a G, E, 3G, or 4G logo. And with wifi on, the logo was grayed out and totally nonfunctional.
but maybe talking to another tower did something with the radio. . . . . . no idea really. Shooting in the dark here!
Click to expand...
Click to collapse
I just applied the upgrade. Ultra on T-Mobile. I have no data anymore. I can't even pull up a web page. I am able to call and text no problem. The strange thing is at the beginning of October I moved from Verizon to T-Mobile. Verizon sent me the Android upgrade. Hopefully this will resolve itself over time. I've tried rebooting the phone a couple of times and messing with the mobile settings...but nothing. Phone info app shows me it's registered to T-Mobile and the Signal Strength is around -110dBm. It shows me GSM Service as "In service" and the GPRS Service as "Connecting", Network type LTE, GSM disconnects:==========DATA========
(UPDATE) I called t-mobile support and they were excellent. Short and to the point they stepped me through adding the APN info, and data is now working again. Prior to the upgrade it was working without any APN info. The old problems I was having with SMS messages not being sent, and having to redial 2 or 3 times to place a call are gone. My Verizon Droid Ultra is now working perfectly on T-mobile. Just ran a speedtest on 2-3 bars with 4GLTE and I got 13Mbs down and 8Mbs up

i just picked up a maxx and EVERYTHING works. lte is crazy fast as well. latest update too...

su5 tmobile data
kdm212 said:
i just picked up a maxx and EVERYTHING works. lte is crazy fast as well. latest update too...
Click to expand...
Click to collapse
yes tmobile data does work on 1FF-obakem_verizon-user-4.4.4-SU5-24 (23.3.24)
actually...the H+ LTE hand off is fixed along with any sms/mms issues
fxz/take the ota...
it doesnt connect automatically any more...
go to settings - more... - mobile networks - access point names - add new apn...
name: T-Mobile
APN: fast.t-mobile.com
thats all you have to change...try to make a call/txt...reboot once...
4GLTE on the droid maxx on tmobile

Cannot recieve or make calls after new Nov 14 update

Anyone else having issues with not being able to make or recieve calls? After the update, if I try to make a call, it hangs up right away. No one can call me as well.

adocorp said:
Anyone else having issues with not being able to make or recieve calls? After the update, if I try to make a call, it hangs up right away. No one can call me as well.
Click to expand...
Click to collapse
I have exactly same problem on my 2 Notes. I fix one by resetting phone app but second one not working all all.

I resolved my issue by turning off Enhance LTE, reboot phone then turning back on Enhance LTE.

adocorp said:
I resolved my issue by turning off Enhance LTE, reboot phone then turning back on Enhance LTE.
Click to expand...
Click to collapse
I will try this and let you know... Thank You

adocorp said:
I resolved my issue by turning off Enhance LTE, reboot phone then turning back on Enhance LTE.
Click to expand...
Click to collapse
YEP. That did it.. THANK YOU !!!!

Check the news about AT&T. Earlier this evening there was a nationwide outage with voice service. Apparently, all AT&T said via Twitter was to "restart your phone. It may take several restarts.". Typical AT&T customer service I guess.

My Wi-Fi calling seems to not be working properly. It is not as aggressive in low service situations like in the past.

Escobar27 said:
My Wi-Fi calling seems to not be working properly. It is not as aggressive in low service situations like in the past.
Click to expand...
Click to collapse
Mine is always on no matter if my network signal is strong or not.
On Edge of Note

phone losing connection? going to sleep?

I've read a few others with this issue. Randomly the phone will seemingly loose connection will not recieve calls or texts until you pick it up and use it. And 50 texts start coming thru. Etc... I'm on T Mobil, have great signal. I've toggled 3g preferred, 4g preferred, and have developer options enabled, keep connection at all times. Still does it. Any thoughts???? Or help would be appreciated

DrmMaster said:
I've read a few others with this issue. Randomly the phone will seemingly loose connection will not recieve calls or texts until you pick it up and use it. And 50 texts start coming thru. Etc... I'm on T Mobil, have great signal. I've toggled 3g preferred, 4g preferred, and have developer options enabled, keep connection at all times. Still does it. Any thoughts???? Or help would be appreciated
Click to expand...
Click to collapse
Same problem at this post> https://forum.xda-developers.com/nex/help/vivo-nex-powering-off-t3831114/post77375427#post77375427
Go to Settings> More Settings > Task Timer> Scheduled On/Off

Saloei said:
Same problem at this post> https://forum.xda-developers.com/nex/help/vivo-nex-powering-off-t3831114/post77375427#post77375427
Go to Settings> More Settings > Task Timer> Scheduled On/Off
Click to expand...
Click to collapse
Thanks but this isn't my issue. Phone seems to struggle switching bands. From 4g to 3g and gets hung.
This phone connects to T-mobile 4g fine for data. But for sms and calls it goes to 3g, as it doesn't have VoLTE...seems like it doesn't switch all the time or get hung up. I've tried turning off 4g. This seems to help. But the phone has a definite issue. Not sure if it's considered normal since it's not utilizing 4g for voice and one of the little things you have to live with

DrmMaster said:
Thanks but this isn't my issue. Phone seems to struggle switching bands. From 4g to 3g and gets hung.
This phone connects to T-mobile 4g fine for data. But for sms and calls it goes to 3g, as it doesn't have VoLTE...seems like it doesn't switch all the time or get hung up. I've tried turning off 4g. This seems to help. But the phone has a definite issue. Not sure if it's considered normal since it's not utilizing 4g for voice and one of the little things you have to live with
Click to expand...
Click to collapse
There's definitely an issue, and it's not just with the Tmobile sim. Sometimes my china unicom Sim says no service too. But they won't say no service at the same time. It's one or the other. I've tried to switch the sims to other slots but same thing. I know its an issue with the phone because when my phone says no service, i look at my wifes phone and she has full bars on her phone. (pixel 2 xL in china with Tmobile USA Sim roaming on china mobile)
Must be a software issue

I have an similar issue... Just it's only for my 3G/4G after 10min of utilization i lost connection (call & sms work fine) and my phone say all is ok (I have the 4G icon...) I forced to disable / enable the Data 1 or 2 times for 3G/4G come back... I have Global Rom & SFR french network

Same problem 10 min data off for like 45 seconds n comes back by itself

Hmm similar problem. Having trouble getting calls on Tmobile. Lots of people calling and going straight to voicemail.