Hi - I'm a semi-noob with this phone and Android in general (long-time iPhone JB'er finally saw the light), so sorry for any ignorance/stupidity in what follows...
HTC One, on T-Mobile
Android 4.3 SW# 3.24.531.3
Baseband vsn: 4A.21.3263.03_10.38m.1157.04L
Rooted, Unlocked, S-OFF
I was traveling on St Martin (French Caribbean) where T-Mobile gives free data roaming, so I turned on roaming and everything was fine - cell service, cell data, wifi all clearly working properly. After several days, I noticed no cell service or 3G indicator, but my wife's T-Mobile iPhone had full bars and 3G service. I waited a while, and (I *believe*) data & cell service came back on once for a while, but then failed again and have not returned to health since then (it's been about a week). Wifi works fine. When I tried to find a signal I would get "Error Searching for Networks". I thought maybe it had to do with roaming, but when I returned home (USA) I still had no cell signal/data.
I've tried rebooting, turning Data roaming on and off, Airplane mode on and off, all choices of Network mode, power off for a long time while charging, a couple other more obscure suggestions that I can't remember. I have not tried reverting to Stock or flashing a radio.
In poking around in settings:
IMEI: [normal] (this is different from several other people reporting similar problems)
Network Mode: GSM / WCDMA / LTE Auto
Operator: Unknown
Signal Strength: 0
Mobile network type: Unknown
Service State: Radio Off
Roaming: Not roaming
I've seen several posts here and on Android Forums with similar problems, but never quite a match - always a different phone and/or they are now missing their IMEI, which is not true for me and seems significant.
I never dropped the phone in water or anything, but I was traveling and it's possible it got more humidity than normal (one thread suggested water damage as a likely culprit).
Is there anything for me to do before (A) flashing a radio, (B) returning it to stock, (C) taking it to T-Mobile and hoping they'll fix it (still under warranty)? I haven't flashed a radio before, but it sounds like it's straightforward - if you have any suggestions, let me know.
I have an OTA update available to 4.4.2 - is it likely that would help me? And if I do that how much damage control will I have to do to get back to rooted/unlocked/S-OFF status?
Someone with a different phone said they removed their battery for a couple of hours and all was fine, but I'm scared to try to remove my battery, especially if I might have to take it for warranty repair.
Thanks for any guidance you can provide, and let me know if I should post any more info...
-lhuge
lhuge said:
HTC One, on T-Mobile
Android 4.3 SW# 3.24.531.3
Baseband vsn: 4A.21.3263.03_10.38m.1157.04L
Rooted, Unlocked, S-OFF
"Error Searching for Networks". I thought maybe it had to do with roaming, but when I returned home (USA) I still had no cell signal/data.
I've tried rebooting, turning Data roaming on and off, Airplane mode on and off, all choices of Network mode, power off for a long time while charging, a couple other more obscure suggestions that I can't remember. I have not tried reverting to Stock or flashing a radio.
In poking around in settings:
IMEI: [normal] (this is different from several other people reporting similar problems)
Network Mode: GSM / WCDMA / LTE Auto
Operator: Unknown
Signal Strength: 0
Mobile network type: Unknown
Service State: Radio Off
Roaming: Not roaming
Is there anything for me to do before (A) flashing a radio, (B) returning it to stock, (C) taking it to T-Mobile and hoping they'll fix it (still under warranty)? I haven't flashed a radio before, but it sounds like it's straightforward - if you have any suggestions, let me know.
Click to expand...
Click to collapse
Have you tried to switch on radio manually? Dial *#*#4636#*#* ---> phone info ---> there is a switch to turn on/off radio
lhuge said:
I have an OTA update available to 4.4.2 - is it likely that would help me? And if I do that how much damage control will I have to do to get back to rooted/unlocked/S-OFF status?
Click to expand...
Click to collapse
OTA update won't affect bootloader (unlocked and S-OFF). You might loose root but you can re-root after the update. Don't forget you need stock recovery to update. If you are going to send your phone for repair, you'll have to S-ON, remove tampered flag and Lock (no re-lock) the bootloader or your warranty will be invalid. You can only s-on on hboot 1.44 or 1.54 so you'll have to downgrade first.
lhuge said:
Someone with a different phone said they removed their battery for a couple of hours and all was fine, but I'm scared to try to remove my battery, especially if I might have to take it for warranty repair.
Click to expand...
Click to collapse
Do not attempt to remove the battery yourself on the M7, bad idea if you are planning to send the phone under warranty.
[SOLVED]
alray said:
Have you tried to switch on radio manually? Dial *#*#4636#*#* ---> phone info ---> there is a switch to turn on/off radio
Click to expand...
Click to collapse
Oh my freaking gawd, thank you. It actually didn't work at first - the button just read "turn off radio" (as if it was currently on), and tapping it didn't seem to cause any change. Kind of on a whim, I changed "preferred network type" from "WCDMA preferred" to "LTE Only", went out to settings to see if anything had changed, turned off WiFi, came back to the phone info page, clicked "turn radio off" again, and then I noticed that numbers on the screen were moving, and I had 4G/LTE and full bars again. I've switched back to "WCDMA preferred" and everything seems fine, but I don't know whether that's the right choice out of a long list of options - it's just what was there to start with.
I feel silly that it was so simple, but I didn't know about that testing screen. Thanks a ton.
alray said:
Do not attempt to remove the battery yourself on the M7, bad idea if you are planning to send the phone under warranty.
Click to expand...
Click to collapse
Roger that, fears confirmed. Thanks again
lhuge said:
Oh my freaking gawd, thank you. It actually didn't work at first - the button just read "turn off radio" (as if it was currently on), and tapping it didn't seem to cause any change. Kind of on a whim, I changed "preferred network type" from "WCDMA preferred" to "LTE Only", went out to settings to see if anything had changed, turned off WiFi, came back to the phone info page, clicked "turn radio off" again, and then I noticed that numbers on the screen were moving, and I had 4G/LTE and full bars again. I've switched back to "WCDMA preferred" and everything seems fine, but I don't know whether that's the right choice out of a long list of options - it's just what was there to start with.
I feel silly that it was so simple, but I didn't know about that testing screen. Thanks a ton.
Roger that, fears confirmed. Thanks again
Click to expand...
Click to collapse
better to set it to GSM/WCDMA/LTE auto.
HTC One M7 no signal after upgrade Lollipop 5.0.2
Pls help. No signal. Tried phone info-->radio-off/on, switch to gsm only, WCDMA....all - NOK
Related
Any solution?
Only GPRS/EDGE does work, if 3G is available, it disconnects automatically until 3G isn't available.
Solution: Set to 2G-Only :-(
Anyone has the same problem?
I didn't have this problem with FRF 72.
Provider: Sunrise Switzerland
Radio: 32.36.00.28U_4.06.00.12_7
Have you tried going into your phone settings from *#*#4636#*#* and setting it to wcdma only? I did that on mine not too long ago and no more dropping to edge for me!
-------------------------------------
Sent via the XDA Tapatalk App
andi86 said:
Any solution?
Only GPRS/EDGE does work, if 3G is available, it disconnects automatically until 3G isn't available.
Solution: Set to 2G-Only :-(
Anyone has the same problem?
I didn't have this problem with FRF 72.
Provider: Sunrise Switzerland
Radio: 32.36.00.28U_4.06.00.12_7
Click to expand...
Click to collapse
does it lose complete signal? or does it show 3g still but just not doing anything?
Mine was working at first after flash. Then at about 2am it just kept trying to load then times out. Still shows 3g but just dont do anything. Im hoping its just tmobile messing with their towers... I dont see why it would work at first then not now..
The problem is, that i can only have a internet connection, when the phone is logged in into a gsm or edge network.
as soon as wcdma is available, the phone disconnects from the internet.
the signal is always available, but it looses the internet connection when it changes to 3G mode.
when the phone changes from 2G->3G mode, i see for 1s the 3G icon and then no icon will bi there.
when it changes back from 3G->2G, the EDGE/GPRS icon is visible again.
andi86 said:
the signal is always available, but it looses the internet connection when it changes to 3G mode.
when the phone changes from 2G->3G mode, i see for 1s the 3G icon and then no icon will bi there.
when it changes back from 3G->2G, the EDGE/GPRS icon is visible again.
Click to expand...
Click to collapse
ok thanks for clarification. My problem is different. I think related to phone company.. I still show the 3g signal and even have bars, but the pages dont load and eventually gives me the check your service and try again alert....
So Im hoping soon its working again for me... And I hope you as well figure it out.....
Thank you Good luck!
Had the same issue after update, did *#*#4636#*#* and noticed I was set to GSM only. Set it to WCDMA preferred and now it's good.
Thank you very much, thats the solution!!
Andi
ezhangin said:
Had the same issue after update, did *#*#4636#*#* and noticed I was set to GSM only. Set it to WCDMA preferred and now it's good.
Click to expand...
Click to collapse
Sent from my Nexus One using XDA App
ezhangin said:
Had the same issue after update, did *#*#4636#*#* and noticed I was set to GSM only. Set it to WCDMA preferred and now it's good.
Click to expand...
Click to collapse
Thank you. Updated to FRF83 this morning and I've had a full 3g signal, just couldn't pull data all day. Could over edge. Sure enough, GSM only was selected.
AT&T N1.
I'm having the same issue on a non-rooted phone on T-Mobile. No 3G after the FRF83 update. Full bars of service and 3G displayed in the status bar. Dropping to Edge only works but there is no data with 3G.
Lost Dog said:
I'm having the same issue on a non-rooted phone on T-Mobile. No 3G after the FRF83 update. Full bars of service and 3G displayed in the status bar. Dropping to Edge only works but there is no data with 3G.
Click to expand...
Click to collapse
Same issue here.
Switching to WCDMA preferred doesn't work for me though.....any help is welcome
I think it's a hardware problem with a lot of N1's.
Mine was ok the first 2 months, and later, 3g not working. This is driving me crazy ):
I have tried everything. Change the simcard, I did a reset of the data with my telcon, and nothing happens.
I've seen these problems on many N1's.
I hope google / htc release a fix for this problem.
Lost Dog said:
I'm having the same issue on a non-rooted phone on T-Mobile. No 3G after the FRF83 update. Full bars of service and 3G displayed in the status bar. Dropping to Edge only works but there is no data with 3G.
Click to expand...
Click to collapse
how bout checking your bands in the service menu. so *#*#4636#*#* -> phone info -> press the menu key for more options -> select bands -> choose one appropriate for your region (ie "USA BANDS").
If all else fails do a factory reset by going to the settings -> privacy -> restore factory defaults.. of course do a backup/sync/whatever before just to make sure you can get all your apps back.
There's other ways to do a factory reset via the bootloader .. its under recovery and you press up volume or the trackball I think and you can just select all the clear/erase settings there and that should clear out everything on the phone's internal storage.
The factory reset worked for me (via bootloader) when I upped from update-1 to FRF50 and didn't have any data icon next to my signal strength. Could call out but couldn't get data.
Hope that helps.
jasonpich said:
I think it's a hardware problem with a lot of N1's.
Mine was ok the first 2 months, and later, 3g not working. This is driving me crazy ):
I have tried everything. Change the simcard, I did a reset of the data with my telcon, and nothing happens.
I've seen these problems on many N1's.
I hope google / htc release a fix for this problem.
Click to expand...
Click to collapse
Check your APN settings. Do a full factory reset from the bootloader. If nothing works you should call tech support again. Most 3g issues where you have issues with connecting are service/signal level related. I *****ed early about my 3g issues on tmobile and it was the network as they've pretty much gone away with improving the backhaul in my area for HSDPA+ or updates to the phone's radio.
HTC is really really really cool about swapping phones and repairing them. If you feel you have a nexus that has hardware issues call them. I did this 3 times already (one time for minor cosmetic issues with the refurb they sent) and I couldn't be happier about how willing they were to replace/repair the phone. It turns out I really didn't have any issues with them at all.. with any issues with hardware from the second refurbished phone. It was service or software related and I'm happy to say with updates/tmobile service improvements I couldn't be happier with this phone.
blisk said:
Check your APN settings. Do a full factory reset from the bootloader. If nothing works you should call tech support again. Most 3g issues where you have issues with connecting are service/signal level related. I *****ed early about my 3g issues on tmobile and it was the network as they've pretty much gone away with improving the backhaul in my area for HSDPA+ or updates to the phone's radio.
HTC is really really really cool about swapping phones and repairing them. If you feel you have a nexus that has hardware issues call them. I did this 3 times already (one time for minor cosmetic issues with the refurb they sent) and I couldn't be happier about how willing they were to replace/repair the phone. It turns out I really didn't have any issues with them at all.. with any issues with hardware from the second refurbished phone. It was service or software related and I'm happy to say with updates/tmobile service improvements I couldn't be happier with this phone.
Click to expand...
Click to collapse
Thanks blisk, but the thing I don't understand is why Blackberry 9700 with T-Mobile bands, doesn't have problems at all ?
By the way, I rooted my phone , so the thing with the warranty it's complicated
I had it happen last night at work all night, but when i got home i checked my wife's tp2 and it also was doing the same thing so for levity wasn't the phone but tmobile. They started worming the same time also.... I think its tmobile.
Hello, I had the same problem with my imported n1. I'm using the tmobile version non rooted fully stock manually updated to frf83. I did a *#*#4636#*#* and selected wcdma only, rebooted and couldn't connect to my gsm network. Went in again and did a wcdma preferred, rebooted, and I works better, still changes fast to edge and G, but less often, I'm still trying it but I have high hopes its gonna be ok
Mmmm i did have problems with 3G too after pushing FRF83, but i found out that for some reason the APN settings weren't set correctly after the update. In my case the port setting after the proxy of the APN wasn't set, i changed to the correct value and it worked.
In conclusion, check your APN settings.
Just went from FRF72 to FRF83 and it's working fine.
I'm currently set to GSM auto (PRL) in the *#*#4636#*#* and I didn't change it to that after putting on FRF83.
I got a problem with my data connection.
I got on another city last day with 3G connection, and it started to get weird, changing from 2G to 3G constantly, very unstable, then after some time, the icon "E" or "H" disappeared.
I checked the Mobile Network Type under Phone Status, and noticed that is UNKNOWN:0.
Services, IMEI, and other related stuff is OK.
Any thoughts about that?
Try to enable Airplane mode and then disable to reconnect to the mobile network.
I did the Airplane mode plenty of times.
Plus, I wiped all data and cache.
Did a Factory Reset
Played a bit on *#*#4636#*#* secret menu...
What is weird is that my mom phone's (same model) got the same issue.
*#*#4636#*#* wORKING
MalarKeY007 said:
I did the Airplane mode plenty of times.
Plus, I wiped all data and cache.
Did a Factory Reset
Played a bit on *#*#4636#*#* secret menu...
What is weird is that my mom phone's (same model) got the same issue.
Click to expand...
Click to collapse
*#*#4636#*#* HIDDEN MENU
WORKING
SELECT RADIO BAND (AUTOMATIC, USA, EURO OR AUS)
ENABLE DATA CONNECTION
OR DISABLE OR ENABLE RADIO
AND
WCDMA PREFERRED
WORKING FOR ME AND OTHERS
Have you tried to blow and clean the SIM ? It can be mal function or someting
Weird.
I played a bit more on secret menu, but no go. Then I restarted the phone ( I was did it already earlier) then worked.
But, it worked for some hours, and the radio restarted alone and it got broken again.
Now, after doing some non related stuff i got it working again.
Network type Unknown - LGF180L20S Converted to E97510c open HK
Hi,
My phone was working (with signall not steay, some time strong some good- always seen only E network).
From yesterday suddenly, it shows network unknown. not able to connect also.
wifi is working fine. iam getting calls and i can make calls. GSM is in service state.
But i get Network type unknown ...Any Idea why is it?
Thanks
Sunil
Network Unknown (T-Mo T889)
sunilkoshyp said:
Hi,
My phone was working (with signall not steay, some time strong some good- always seen only E network).
From yesterday suddenly, it shows network unknown. not able to connect also.
wifi is working fine. iam getting calls and i can make calls. GSM is in service state.
But i get Network type unknown ...Any Idea why is it?
Thanks
Sunil
Click to expand...
Click to collapse
I have had this problem and searched everywhere. I finally found how to fix. Hope it works for you. Someone posted somewhere that SELinux was set to "Enforcing". YOu have to change it to "Permissive". Once I did that my network issue was fixed. You can download a Lunix Modifier from GPlay Store.
Go to your settings and the "About device" section and confirm whether or not your "SE for Android status" is set to "Enforcing".
My phone also same issue can you help me. I chenge several times secret menu network.
MalarKeY007 said:
Weird.
I played a bit more on secret menu, but no go. Then I restarted the phone ( I was did it already earlier) then worked.
But, it worked for some hours, and the radio restarted alone and it got broken again.
Now, after doing some non related stuff i got it working again.
Click to expand...
Click to collapse
I am only able to connect to LTE in the city now. Usually, I can connect to 3G in my own house, but I am having issues:
HISTORY:
I just recently got S-OFF, so I could use the Freedom.apk to get free in-app purchases.
I cannot make calls or text people through the messages app, nor can I receive calls or texts by anyone. I have resorted to using Facebook Messenger and Snapchat to contact my friends, but my family members don't all use those services.
BOOTLOADER INFO:
M7_WLS PVT SHIP S-OFF RH
CID_SPCS_001
HBOOT-1.56.0000
RADIO-1.00.20.0913_3
OpenDSP_v32.120.274.0909
OS-3.04.651.2
eMMC-boot 2048MB
OTHER INFO:
Since I have been having this problem, I have tried flashing CWM (6.0.4.8) and TWRP (2.7.1.0a) and wiping and installing different roms to try to fix the situation. I have no prior problems with data connectivity. I have now resorted to installing a stock RUU (EXE not ZIP). For both of the RUU files that I try to install, it gets stuck at Sending on the screen, and my phone is stuck at the black HTC logo. I can use fastboot commands, and my phone says "FASTBOOT USB" when I plug it in, but I cannot use ADB commands. CMD says that there are no devices attached. I have tried uninstalling the drivers, re-installing them, updating them...but nothing has worked. I do have a USB-OTG cable with a 16GB USB stick available.
So far, the only deductions I can make, are that the process of getting S-OFF was what caused this issue.
I can't even activate Google Voice, because the calls aren't reaching my phone.
The same goes for the Landmark Credit Union app...the security calls for activation aren't reaching my phone.
My dad said that anytime he tries to call me, the calls are sent straight to voicemail.
I have an unlimited data plan, and always have the Roaming Guards turned off, and the Network Mode set to Automatic, with all of the additional Roaming boxes checked. I have USB Debugging checked and Fastboot in Power Settings turned off.
avatarmanz said:
I am only able to connect to LTE in the city now. Usually, I can connect to 3G in my own house, but I am having issues:
HISTORY:
I just recently got S-OFF, so I could use the Freedom.apk to get free in-app purchases.
I cannot make calls or text people through the messages app, nor can I receive calls or texts by anyone. I have resorted to using Facebook Messenger and Snapchat to contact my friends, but my family members don't all use those services.
BOOTLOADER INFO:
M7_WLS PVT SHIP S-OFF RH
CID_SPCS_001
HBOOT-1.56.0000
RADIO-1.00.20.0913_3
OpenDSP_v32.120.274.0909
OS-3.04.651.2
eMMC-boot 2048MB
OTHER INFO:
Since I have been having this problem, I have tried flashing CWM (6.0.4.8) and TWRP (2.7.1.0a) and wiping and installing different roms to try to fix the situation. I have no prior problems with data connectivity. I have now resorted to installing a stock RUU (EXE not ZIP). For both of the RUU files that I try to install, it gets stuck at Sending on the screen, and my phone is stuck at the black HTC logo. I can use fastboot commands, and my phone says "FASTBOOT USB" when I plug it in, but I cannot use ADB commands. CMD says that there are no devices attached. I have tried uninstalling the drivers, re-installing them, updating them...but nothing has worked. I do have a USB-OTG cable with a 16GB USB stick available.
So far, the only deductions I can make, are that the process of getting S-OFF was what caused this issue.
I can't even activate Google Voice, because the calls aren't reaching my phone.
The same goes for the Landmark Credit Union app...the security calls for activation aren't reaching my phone.
My dad said that anytime he tries to call me, the calls are sent straight to voicemail.
I have an unlimited data plan, and always have the Roaming Guards turned off, and the Network Mode set to Automatic, with all of the additional Roaming boxes checked. I have USB Debugging checked and Fastboot in Power Settings turned off.
Click to expand...
Click to collapse
Could you link me to the TWRP that you flashed? Also to fix calls, flash the latest radio.
TWRP
StormyNight said:
Could you link me to the TWRP that you flashed? Also to fix calls, flash the latest radio.
Click to expand...
Click to collapse
This is the TWRP link:
http://mdmower.cmphys.com/twrp-m7spr/
UPDATE:
I am going to download the latest TWRP version from the official website, and then update the radio to see if this fixes things.
UPDATE
I was running a nightly of Cyanogenmod. This morning, I downloaded the official TWRP (v7.2.1.1) from the official website. I then wiped my device and flashed the ViperOne rom. I went through the initial phone setup until I could actually use my phone. I then proceeded to go back into TWRP and flash the (supposedly) newest radio through my OTG cable and USB.
This is the radio that I downloaded and flashed (V1.01.20.0515):
THREAD: http://forum.xda-developers.com/showthread.php?t=2406330
LINK: http://d-h.st/2dh
After I flashed the radio, I wiped the Dalvik Cache and rebooted. I still have the same issues.
My Mobile network settings are as follows:
4g Settings are blank (no network provider or IP address are shown)
Data roaming sound is unchecked
Network mode is set to Automatic
All Roaming Guard boxes are unchecked
The Roaming box is grayed out and I cannot click on it (beneath Roaming, it says Change the CDMA roaming mode, but it's grayed out too)
Domestic Voice is checked
Domestic Data is checked
International Voice is checked
International Data is checked
Allow GSM data is checked
The Access point names and Available GSM networks options are both grayed out, and I cannot click on them.
avatarmanz said:
I was running a nightly of Cyanogenmod. This morning, I downloaded the official TWRP (v7.2.1.1) from the official website. I then wiped my device and flashed the ViperOne rom. I went through the initial phone setup until I could actually use my phone. I then proceeded to go back into TWRP and flash the (supposedly) newest radio through my OTG cable and USB.
This is the radio that I downloaded and flashed (V1.01.20.0515):
THREAD: http://forum.xda-developers.com/showthread.php?t=2406330
LINK: http://d-h.st/2dh
After I flashed the radio, I wiped the Dalvik Cache and rebooted. I still have the same issues.
My Mobile network settings are as follows:
4g Settings are blank (no network provider or IP address are shown)
Data roaming sound is unchecked
Network mode is set to Automatic
All Roaming Guard boxes are unchecked
The Roaming box is grayed out and I cannot click on it (beneath Roaming, it says Change the CDMA roaming mode, but it's grayed out too)
Domestic Voice is checked
Domestic Data is checked
International Voice is checked
International Data is checked
Allow GSM data is checked
The Access point names and Available GSM networks options are both grayed out, and I cannot click on them.
Click to expand...
Click to collapse
Try flashing the TWRP by tdhite. Link in my signature.
I have kind of the same issue. I can only use 4g LTE at the city. and sometimes whenever it feels like it at home. I can't use 3g. its the same thing at home. it's horrible not be able to call or text. I have cm11 4.4.4 I read this article how to fix this it gives this code do get into "phone settings" and turn off "radio" first try it worked. but 3 hours later my phone frozed and I had to turn it off. I turned back on and the issue got worst. if you see this it's because I'm lucky and I'm using 3g. is there a ROM or kernel or something I could do or change. I'm new. please help.
Sent from my SCH-R530U using XDA Free mobile app
thonyj said:
I have kind of the same issue. I can only use 4g LTE at the city. and sometimes whenever it feels like it at home. I can't use 3g. its the same thing at home. it's horrible not be able to call or text. I have cm11 4.4.4 I read this article how to fix this it gives this code do get into "phone settings" and turn off "radio" first try it worked. but 3 hours later my phone frozed and I had to turn it off. I turned back on and the issue got worst. if you see this it's because I'm lucky and I'm using 3g. is there a ROM or kernel or something I could do or change. I'm new. please help.
Sent from my SCH-R530U using XDA Free mobile app
Click to expand...
Click to collapse
Have you ever gotten 3G on your phone? Even when you were on a trip or something? Then we can assume that it's the phone's problem and not the towers, given that you're using Sprint.
If you're using a carrier other than Sprint, the frequencies might not match. If so, tell me what your carrier is and I can look it up.
I don't use sprint. my carrier is USC cellular. and thanks I appreciate your help a lot.
Sent from my SCH-R530U using XDA Free mobile app
thonyj said:
I don't use sprint. my carrier is USC cellular. and thanks I appreciate your help a lot.
Sent from my SCH-R530U using XDA Free mobile app
Click to expand...
Click to collapse
Just looked it up, US Cellular is CDMA, so it should theoretically work. Did you buy it from US Cellular, or did you buy it from Sprint and edit the EPST (or something, idk, i'm unfamiliar with CDMA)? For 4G (doesn't matter if it's CDMA/GSM), it needs a SIM card to access it. So is the 4G SIM card in the phone?
let's tell you a Lil bit of the phone.
I bought it from ebay. it is a USC cellular phone. it says it on the back. it does use 4g lte. I few months ago I decided to root it. it was great even though I didn't knew how to do it. well, where I live it isn't a very good signal. so it automatically use CDMA which is 3g, right? I always had 3 signal bars at home and when I was out it always went up I had no trouble. my phone is prepaid. I ran out of money so I didn't paid the month but I had WiFi at home. like a month ago I decided to go further. I did like a 3 days search on how to install a new ROM and what was the best. everyone was talking about cm11, I flash it and everything (so hard for me that didn't knew how to do it that's why it took 3 days) finally I had all done. I had no bugs at all, and I was still using it with WiFi. when I finally paid my month I was all happy till I got home. there was no signal. not even a bar from CDMA (3g) it had a flashing repetitive (searching signal) on the signal icon. I went into settings it said: " select network type preferred" or something like that. and I chosed (lte recommended). it stopped the "flashing" thing on the icon. but still the problem. I was wondering how it supposed to get 4g if it only get half of 3g. I couldn't use my phone at home. I searched again on how to fix this, I found a forum from another page which is not XDA. it said to type on the dialer *#*#4636#*#* and it automatically goes to a hidden menu. I went into "phone settings, it shows all about it. I was looking for a "radio" thing. I had to turn it off and reboot. it worked at first. but I had to turn off the phone again and the signal issue got worst. I couldn't open my games because I had no "network". now I can only use it when I go out because the signal is stronger at the city. and it's using LTE (4g). here at home I just screwed my anttenna because I had no signal and has a two inches long "paper clip" as antenna to get one bar of LTE.
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---------- Post added at 08:58 AM ---------- Previous post was at 08:45 AM ----------
sorry I just noticed I'm in the wrong forum I think. but thanks for all the help.
Sent from my SCH-R530U using XDA Free mobile app
OK, so I changed the radio band to USA through the *#*#4636#*#* menu. As I live in Europe I lost GSM coverage. I know I shouldn't have done it, but it was the only choice in the menu and to be honest I thought it referred to FM radio. Google'd it and went on to perform a factory reset as all my personal data was backed up. That fixed the GSM coverage.
But something new came up.
Now every time I restart the phone it keeps asking for pin even if it was in flight mode and after entering the pin it enables WiFi by itself.
Phone is running pre-rooted 242 lollipop with LB.
Is there something I can do in any of the props or anywhere to disable this behavior?
Thank you all in advance.
Sorry for bumping my thread, but does anybody know anything concerning this problem?
The short:
I changed the "Select radio band" setting in the test menu (*#*#info#*#*) and it screwed things up.
I wiped and reflashed CM12.1 - but it didn't reset that setting (it's still borked).
Does anyone know where it stores that setting, or how to reset it somehow?
The long:
Initially in CM12.1 I was having problems staying on LTE - it always fell back to 3G and stayed there.
So tried this band change that someone who had the same problem suggested.
Now, every option I try is great for LTE but says "cellular network not available" and I can't make calls.
The exception is "Cellular" which I can make calls but only get 1X data.
These are the options in the menu:
"JAPAN Band (WCDMA-800/WCDMA-IMT-2000)"
"USA Band (GSM-850/PCS-1900/wCDMA-850/WCDMA-PCS-1900)"
"Cellular (800-MHz)"
"PCS (1900-MHz)"
I don't know what it was before and I can't see figure out how to tell what it currently is set to.
I just want to flash back to stock so things work again, but if this setting doesn't get reset then I don't know if that will work anyway.
Any chance settings like that are stored on the SIM card?
try to re-flash radio only
masterchapter said:
try to re-flash radio only
Click to expand...
Click to collapse
Worth a shot, but doesn't seem to have helped.
Try the instructions here: http://forum.xda-developers.com/showthread.php?p=57778872
I seemed to have luck when I made the changes according to this post and then immediately ran the ping test. I don't know if the ping test really did anything to help but I've had cell service since following these steps.
mh0520 said:
Try the instructions here: http://forum.xda-developers.com/showthread.php?p=57778872
I seemed to have luck when I made the changes according to this post and then immediately ran the ping test. I don't know if the ping test really did anything to help but I've had cell service since following these steps.
Click to expand...
Click to collapse
Unfortunately that's what I did initially. The setting in that link ("Cellular") made my calls work, but I could only get 1X data.
So somehow by just flashing and reflashing different things (including failing to reflash to stock), it's back to where it was when I started.... which sucks, but is at least useable. Calls work and data works, but the first time it has to drop back from LTE to 3G, it get stuck in 3G forever (until airplane mode). Super sucks since it's my primary home router tethered. I have to airplane mode like 5 times a day.
Just in case someone else ran into this problem, I ended up getting a new sim from Verizon and everything's working now finally. It still says "000000" when it's in 3G, but I don't care about that - it works and it goes back to LTE when it can, rather than staying on 3G forever.
Works for Moto X play - should work for others too..
I too did the same mistake. Changed my Band to "USA" and couldn't restore to previous despite Factory reset.
The SIM 1 went into 4G data only (No voice) , didn't recognize 2G & 3G network for any sim.
However Sim 2 worked fine for 2G,3G & 4G.
i came across a thread in XDA, and after breaking my head over how to execute it, I finally did it.
I have written a brief guide to it. Here's the link.
http://forum.xda-developers.com/moto-x-play/help/network-band-changed-to-usa-t3278614#post65991684