Develop Bugs

Phone can't access mobile data, now stuck on activating..

I assume that the U.S. cellular version of this phone is a lot like the Sprint version, so I was hoping one of you could help me.
This has also been posted on the Team US Cellular forum: http://teamuscellular.com/Forum/topic/3446-phone-cant-access-mobile-data-now-stuck-on-activating/
I had been running my phone on Liquid Smooth for a day or two now, and today I turned on and off my phone a few times because I started to run low on battery and needed the phone later. Then, when I turned it on it said I was in recovery mode and all of my widgets were off of my homescreens. Now, the phone can't connect to mobile data or wifi so I cannot make phone calls, receive text messages or go on the internet. I then proceeded to attempt to wipe the cache, dalvik cache, and factory reset the phone through Clockwork Recovery, and when the phone booted up, it still could not connect to anything and now it is stuck on "Activating..".
At this point, I just want to return my phone to normal without root and get my service back. Could anyone please help me quickly? I need to use my phone by Monday... Thanks!
Also the phone signal thing has an R next to it, if that means anything to any of you all.

The "R" stands for Roaming, to into settings - mobile data - network operators - find your carrier. Hope that helps!
Sent with my Google Nexus 7 through the XDA Developers APP.

You need to flash a stock/stock-based ROM and follow the activation through
Then you can flash back or unroot, most likely what happened is that you either A) restored data (sometime gives weird problems) or B) didn't wipe completely/enough

Dr.Molestratus said:
The "R" stands for Roaming, to into settings - mobile data - network operators - find your carrier. Hope that helps!
Sent with my Google Nexus 7 through the XDA Developers APP.
Click to expand...
Click to collapse
CNexus said:
You need to flash a stock/stock-based ROM and follow the activation through
Then you can flash back or unroot, most likely what happened is that you either A) restored data (sometime gives weird problems) or B) didn't wipe completely/enough
Click to expand...
Click to collapse
A very nice user on Team US Cellular helped me out one on one, I have managed to unroot the device and bring it back to stock through download mode, and will not have to bring it into a US Cellular store to get my number back on it. Thanks for the help!

BloodyRory said:
A very nice user on Team US Cellular helped me out one on one, I have managed to unroot the device and bring it back to stock through download mode, and will not have to bring it into a US Cellular store to get my number back on it. Thanks for the help!
Click to expand...
Click to collapse
This happened to me on sprint. They couldn't fix it and I had to exchange my phone for a new one
Sent from my SPH-L710 using Tapatalk 2

I brought it into the store today and they didn't know what to do. They factory restored the phone again and managed to get signal (the signal bar as a triangle next to it), but whenever I try to activate the phone, it tries to activate it on Verizon. I did not flash the wrong rom, I know that. Is there any way to fix it right now or do I have to wait until tomorrow until I can take it to their tech guys at a different location? Thanks.

[Q] No Service. Data working but no Call/Text.

Hello!
I have m919 T-Mobile Galaxy s4 but I'm with other carrier (Wind Canada). I rooted the phone about a month ago, I believe, using THIS guide.
I spent yesterday in environment where I didn't had coverage for most of the day, but i haven't gotten it back yet. Sounds really weird as it might be not connected to the fact at all. I have 4G connection active, which means that I have internet, but it keeps 'searching' for service and I can't Call/Text anyone, neither I can receive calls or texts. Instead of the bar at the top showing how good coverage i have it just shows a crossed out circle icon.
I've tried reboots, keeping my phone off for 30mins without battery, taking out sim and putting it back in, changing network modes and resetting APN (all from settings panel).
Have anyone experienced something like that and how do I fix it? It was working perfectly for last couple of months and the phone didn't get any damage yesterday neither.
P.S Did the the regular factory reset (don't know if it affects rooting) but it didn't change anything. =

I have same problem.
Did you solve it? and how?

Haven't solved it, that was the whole point of my post!

kokozaurs said:
Haven't solved it, that was the whole point of my post!
Click to expand...
Click to collapse
Never had this happen to me. Data works off your signal, something is wickedly wrong. I'd flash the modem again if you are on 4.2.2 bootloader (doesn't matter which rom or android version). If that fails, go intonrecovery, wipe cache, wipe dalvik cache, and wipe data. If that fails, backup your data and Odin flash back to 100% stock. If that fails, more than likely your /efs folder was corrupted.
Sent from my SGH-M919 using XDA Premium 4 mobile app

Please don't create multi thread on the same topic

xdapowerapps said:
Never had this happen to me. Data works off your signal, something is wickedly wrong. I'd flash the modem again if you are on 4.2.2 bootloader (doesn't matter which rom or android version). If that fails, go intonrecovery, wipe cache, wipe dalvik cache, and wipe data. If that fails, backup your data and Odin flash back to 100% stock. If that fails, more than likely your /efs folder was corrupted.
Sent from my SGH-M919 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I think I'm gonna flash it back to 100% stock, but the problem is that I'm on mac and I don't know how to flash it back. Is there any guide on how to do it from MAC platform?
Thanks!!

kokozaurs said:
I think I'm gonna flash it back to 100% stock, but the problem is that I'm on mac and I don't know how to flash it back. Is there any guide on how to do it from MAC platform?
Thanks!!
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=755265
http://forums.techdiscussion.in/sho...Heimdall-Terminal-on-Mac-OS-(Odin-Alternative)
Second one will be more helpful. Good luck! :good:

xdapowerapps said:
http://forum.xda-developers.com/showthread.php?t=755265
http://forums.techdiscussion.in/sho...Heimdall-Terminal-on-Mac-OS-(Odin-Alternative)
Second one will be more helpful. Good luck! :good:
Click to expand...
Click to collapse
Ok, so I got heimdall, and got the recovery.img from the other topic. I followed the steps that was provided in the second link, but nothing much changed, it successfully uploaded the recovery.img, then i did recovery boot with power button + home button + volume up, it did some things with a pirate android guy in the back and thats it, booted up. Not sure if I have everything back to stock or not - either way, the issue with the network hasn't been resolved!

kokozaurs said:
Haven't solved it, that was the whole point of my post!
Click to expand...
Click to collapse
Tried this?
go to settings/more networks/Mobile networks/Network operators/Search now......
It might take a minute or two, then show you some networks it finds. Select your provider and it should list some options for you.
need to see Mobile data with a check, Data roaming checked, network mode should be LTE/GSM/WCDMA(auto connect)
If you KNOW what your APN (access Point Name) is you can check if it's correctly there.
It usually is downloaded with the search for network so just try with whatever is ther for now.
Back all the way out, and power off. Take out the battery, wait like 30 seconds, replace the battery and power on again.
See if you get service and can dial out.
Aloha and Good Luck!

bobolinko said:
Tried this?
go to settings/more networks/Mobile networks/Network operators/Search now......
It might take a minute or two, then show you some networks it finds. Select your provider and it should list some options for you.
need to see Mobile data with a check, Data roaming checked, network mode should be LTE/GSM/WCDMA(auto connect)
If you KNOW what your APN (access Point Name) is you can check if it's correctly there.
It usually is downloaded with the search for network so just try with whatever is ther for now.
Back all the way out, and power off. Take out the battery, wait like 30 seconds, replace the battery and power on again.
See if you get service and can dial out.
Aloha and Good Luck!
Click to expand...
Click to collapse
yep, one of first routines i tried. No difference

kokozaurs said:
yep, one of first routines i tried. No difference
Click to expand...
Click to collapse
Ok, now you might want to call your provider and ask them to remove you from their network and reinsert you again. That procedure will often re-enable normal operation of cellular connectivity.
They will ask you to power down and remove your battery for about a minute, then power up again.
Aloha and Good Luck!

Tried it all
Well im in the same boat here.
I checked the IMEI is correct
i did a full stock MK5 install with Odin without sim inserted and with
*#2263# helps it recognizes the network on the search list (WIND)
but it wont connect (failed to connect try again)
sometimes it connects to 4G and i can use the web
but no calls or sms
i noticed i dont have LTE enabled which ill do tomorrow
i even opened my phone to check that no cables came off as it was in service for a broken screen
tried a different sim from koodo wich also acts weird it connects to data but wont make phone calls or sms
the problems began after its been UNLOCKED (sim free)
any suggestions? im willing to try anything
its been in service 4 times and still they cant figure it out...
thanks!

ph3r0c1ty said:
Well im in the same boat here.
I checked the IMEI is correct
i did a full stock MK5 install with Odin without sim inserted and with
*#2263# helps it recognizes the network on the search list (WIND)
but it wont connect (failed to connect try again)
sometimes it connects to 4G and i can use the web
but no calls or sms
i noticed i dont have LTE enabled which ill do tomorrow
i even opened my phone to check that no cables came off as it was in service for a broken screen
tried a different sim from koodo wich also acts weird it connects to data but wont make phone calls or sms
the problems began after its been UNLOCKED (sim free)
any suggestions? im willing to try anything
its been in service 4 times and still they cant figure it out...
thanks!
Click to expand...
Click to collapse
Ok I found the solution. Apparently I have bought a stolen phone. Check the imei if it hasn't been blacklisted!

[Q] Anyone have resolution to "No Mobile Data" issue on Galaxy S3 AT&T?

I've tried flashing different roms, modems, changing APN and mobile network settings, etc. Can't seem to get it to work. Everything else works just fine on 4.2.2, including cell and mms. Just no data.
Flashed (UPDATED):
cm-11-20140319-NIGHTLY-d2lte (4.4.2)
I747UCUEMJB bootloader
I747UCUEMJB modem
Other Info:
Kernel: 3.4.83-cyanogenmod-ge6f22a5 [email protected] #1
Provider: PTEL (PlatinumTel, a T-Mobile MVNO)
Mobile network type: HSDPA

geesedude said:
I've tried flashing different roms, modems, changing APN and mobile network settings, etc. Can't seem to get it to work. Everything else works just fine on 4.2.2, including cell and mms. Just no data.
Flashed:
cm-11-20140210-SNAPSHOT-M3-d2att.zip
boot_CWM_I747UCDMG2
d2att_I747UCUEMJB_modem
Click to expand...
Click to collapse
I recently had CyanogenMod 11 installed on my phone and I noticed phone calls, messages, and WiFi worked but when I turned my Mobile Data on, It did not work even though it showed it was on. If your issue has not been resolved, I suggest you check this out - http://forum.xda-developers.com/showthread.php?t=2540998.

who is the wireless provider?

mr_legolas said:
who is the wireless provider?
Click to expand...
Click to collapse
It's PlatinumTel (PTEL), which is a t-mobile mvno. I should note that i have the bootloader and the modem matched, have tried factory resets, and even downgraded to previous version (before updating bootloader to latest so i don't brick). Ptel tells me i need to update my APN, which basically was their standard msg... no help there. Thanks.

internethuman said:
I recently had CyanogenMod 11 installed on my phone and I noticed phone calls, messages, and WiFi worked but when I turned my Mobile Data on, It did not work even though it showed it was on. If your issue has not been resolved, I suggest you check this out - http://forum.xda-developers.com/showthread.php?t=2540998.
Click to expand...
Click to collapse
Hi, so... there are bunch of links and downloads on that page... i do have the latest bootloader and modem... can you tell me what you think i should [try to] update to make the mobile data work? BTW, at least on my phone, the mobile data icon doesn't even show. Not even 3G or whatever... thanks for your help.

RESOLVED!
Ugh. So after countless flashes, resets and wipes, turns out that PTEL needed to do a Data RESET on their end. So much misery for such a simple solution that they could have given me. If you're a PlatinumTel user, and this may apply to many other providers, please try telling them to reset their data service for you before trying anything else. Hopefully you won't go through the misery and time wasted that i have gone through.:cyclops:

geesedude said:
Ugh. So after countless flashes, resets and wipes, turns out that PTEL needed to do a Data RESET on their end. So much misery for such a simple solution that they could have given me. If you're a PlatinumTel user, and this may apply to many other providers, please try telling them to reset their data service for you before trying anything else. Hopefully you won't go through the misery and time wasted that i have gone through.:cyclops:
Click to expand...
Click to collapse
good for ya!

geesedude said:
Hi, so... there are bunch of links and downloads on that page... i do have the latest bootloader and modem... can you tell me what you think i should [try to] update to make the mobile data work? BTW, at least on my phone, the mobile data icon doesn't even show. Not even 3G or whatever... thanks for your help.
Click to expand...
Click to collapse
All of them are stock but I personally chose upndwn4par - Full - Features : Odexed, Rooted, Knox Removed because I really didn't know what the other ones did. (PLEASE NOTE : Neither the developer or I are responsible if you brick, or mess up your phone! This also deletes everything on your phone so do backup if you want to save your important files.) When it finished downloading, I put the file on my phone's internal storage (SD card works too) then went into recovery mode using TWRP and installed the rom onto my phone, then while I was still on TWRP, I deleted the cache and data, it then reboot and then I had to set up my phone as if I had just bought it.

PTEL fix for no data connection, broken, not working
geesedude said:
Ugh. So after countless flashes, resets and wipes, turns out that PTEL needed to do a Data RESET on their end. So much misery for such a simple solution that they could have given me. If you're a PlatinumTel user, and this may apply to many other providers, please try telling them to reset their data service for you before trying anything else. Hopefully you won't go through the misery and time wasted that i have gone through.:cyclops:
Click to expand...
Click to collapse
THIS NEEDS TO BE PROCLAIMED!
PTEL locked us out of voice once before, which also required a reset. That was also with a phone change so maybe a security measure? Never thought about it happening with data.
So many hours wasted.
On calling, the PTEL CSR first reset the data, then helped with a new APN. Note that even with the correct settings in an existing APN and the data connection freshly reset, the phone (SGN3) refused to connect, even after a reset. Added APNs had to be deleted, then a new one created, which then connected immediately. (Pissed and happy at once.)
Thanks, @geesedude, for this info; wished I'd found it sooner. (Have to stop assuming that if it doesn't work, must be something I'VE done.)

Glad that the information helped you. Yeah, i mean... since we mess around with our phones, we always first assume it's something we did, which really can't be blamed for thinking that way. Like you, i searched the web for a solution and it was out of desperation that i called ptel, and the CSR happened to suggest it (they were out of ideas, too), and it happened to be the solution. Not sure why they have to do this in the first place, but i am guessing that there are stricter guidelines from TMobile for the MVNOs, and they have to do some things manually. At least now i know to contact them first before spending hours searching for something that may not exist!

elephone p8000 can't access network or google play neither via wi-fi nor cellular dat

Hi there,
Excuse the novice. Just got this 2 days ago and I am still trying to figure it out why I can't access the net at all.
I have not got Android experience much and I am digging now how to come out of this situation.
So no option to access Net at all. The Error in response is " Couldn't sign in. There was communicating problem with Google servers . Try again later." So this is like a loop there.
Android Version -5.1
Baseband Varsion - MOLY.LR9.W1444.MD.LWTG.MP.V16.P10
Kernel Version - 3.10.65
Build Number -ALPS.L1.MP3.V2_NB6753.65U.L1_P22
Custom Build Version - Elephone_P8000_20151014
I must admit the Phone came preset and once I have switch it on it picked up GMT time without I have set anything.
I will appreciate any help or pointing to a resources to try to solve as now it is unusable as I can't download anything.
Thanks in advance.

Check:
Settings --> Data Usage --> (cellular provider tab) --> toggle 'enable mobile data'
See if that's the issue. Good luck.

Now Stacked to The Elephone Logo on and unresponsive.
kevvyboy said:
Check:
Settings --> Data Usage --> (cellular provider tab) --> toggle 'enable mobile data'
See if that's the issue. Good luck.
Click to expand...
Click to collapse
Thanks kevvyboy,
I can't do anything right now. The phone by itself (really) got in a mode I can't read even with letters so small, went to the Android Man with red Mark and now is in front of me unresponsive with the logo of Elephone totaly unresponsive.
Just to underline - I have not touch anything- I have left it on stand by last time I have played with it.
Any clues and help please will be much appreciated.
PS. NOW I have managed to (I guess Switched it off) and again on and there was window with APP UPDATE - came to 116 out of 116 updated and now again can't access the net neither Google Play.
Could this be a OTA Update completed somehow?
Thanks everyone in advance!

saxon_fan_since_1980 said:
Thanks kevvyboy,
I can't do anything right now. The phone by itself (really) got in a mode I can't read even with letters so small, went to the Android Man with red Mark and now is in front of me unresponsive with the logo of Elephone totaly unresponsive.
Just to underline - I have not touch anything- I have left it on stand by last time I have played with it.
Any clues and help please will be much appreciated.
PS. NOW I have managed to (I guess Switched it off) and again on and there was window with APP UPDATE - came to 116 out of 116 updated and now again can't access the net neither Google Play.
Could this be a OTA Update completed somehow?
Thanks everyone in advance!
Click to expand...
Click to collapse
Hi again,
I have enabled the cellular data - no luck again.
When I am trying google play again message Google servers can't be reached and the more interesting - using the - preload browser it try to search trough yahoo search. This phone was sold to me as new, but I am starting to wonder what it has been through before it reached me?
Will a flash using PhilZ Recovery will help?
Could someone point me the way out of this please?
Thanks!

New bizarre Message.
Hi again,
Just to make it more interesting out of the blue it Popped up a Message box with following wording.
"In a Previous Android Version You have disabled all Google App services. Do you want to enable them. Yes/NO,
Of course I have chosen Yes and Again Can't reach net neither via Cellular data nor Wi-Fi.
Any useful contribution will be much appreciated.
Thanks!

Stuck on Airplane Mode? Try toggling it on and off. I remember my HTC OneX having an Airplane Mode issue - had to toggle on / off several times and reboot.
ETA - faulty APN settings for your provider? May explain a mobile data issue, but doesn't address the wifi issue.
Dammit.

Got It Work on Cellular
kevvyboy said:
Stuck on Airplane Mode? Try toggling it on and off. I remember my HTC OneX having an Airplane Mode issue - had to toggle on / off several times and reboot.
ETA - faulty APN settings for your provider? May explain a mobile data issue, but doesn't address the wifi issue.
Dammit.
Click to expand...
Click to collapse
Thanks Kevvyboy for your contribution.
Somehow I have managed to get the Cellular data connected and now have updated the Google Service.
WI-FI still an issue. Is there any sense - updating a driver (if I am not asking stupid question here)?
Thanks!

Glad to hear at least cellular working! The wifi issue is a bit of a mystery to me though - I'm all out of smart ideas, sorry
Hopefully some other bright soul can chip in.

saxon_fan_since_1980 said:
Hi again,
Just to make it more interesting out of the blue it Popped up a Message box with following wording.
"In a Previous Android Version You have disabled all Google App services. Do you want to enable them. Yes/NO,
Of course I have chosen Yes and Again Can't reach net neither via Cellular data nor Wi-Fi.
Any useful contribution will be much appreciated.
Thanks!
Click to expand...
Click to collapse
download drivers for SP flash tools and SP flash tools program.
go and download mediatek drivers and sp flash tool.
you can get these from elephones website, google or where ever. i got mind from needarom. i used the latest versions for both.
i downloaded the 5th November 2015 firmware from elephones rom. it came pre 7-zipped. i unzipped it and left it's structure.
installing the drivers part:
you need to disable signature enforcement in your OS to install the drivers.
open SP flash tools.
load the scatter file in the official rom folder you unzipped with 7 zip.
at this point press the download button in SP tools.
switch off your phone. connect the usb cable to the phone and the computer.
you should now have the latest firmware on you phone when complete.
please note it wipes everything, so back up anything important to you.
once done, set up your apn in settings, mobile networks, access points.
wifi should work after a clean factory reset if you don't have a dodgy device.
elephone only supports 2.4ghz for wifi as far as a i know.
also make sure your network bands and are supported by the p8000.

El_Nino9 said:
download drivers for SP flash tools and SP flash tools program.
go and download mediatek drivers and sp flash tool.
you can get these from elephones website, google or where ever. i got mind from needarom. i used the latest versions for both.
i downloaded the 5th November 2015 firmware from elephones rom. it came pre 7-zipped. i unzipped it and left it's structure.
installing the drivers part:
you need to disable signature enforcement in your OS to install the drivers.
open SP flash tools.
load the scatter file in the official rom folder you unzipped with 7 zip.
at this point press the download button in SP tools.
switch off your phone. connect the usb cable to the phone and the computer.
you should now have the latest firmware on you phone when complete.
please note it wipes everything, so back up anything important to you.
once done, set up your apn in settings, mobile networks, access points.
wifi should work after a clean factory reset if you don't have a dodgy device.
elephone only supports 2.4ghz for wifi as far as a i know.
also make sure your network bands and are supported by the p8000.
Click to expand...
Click to collapse
Hi El_Nino9,
Thank you for the reply and sorry I am delaying my response. I have actually done some of the suggested previously once I read more on the site - thanks for the contributors here. I had Eragon 9.5.0 Custom ROM set with Philiz recovery tool after Mediatek driver download but the wi-fi is still an issue.
I will try to perform the the one suggested from you, I just have located the latest Elephone p8000 ROM on the Elephone site and will perform this on a first chance I have. - most probably on Friday.
Thanks once again and I will post an update from the outcome.

OK!
I have done the upgrade to the 05.11.15 Stock ROM.
Have made a Factory Reset and the Wi-Fi is working as before but I can't reach internet basically.
Again after attempts to get to Play Store or to or to perform a simple Google Search it comes again after message "Just a second" and after 20- 30 seconds it end up with the message.
"Google Server can't be reached at the moment please try again later."
Any help on this will be much appreciated!
Thanks a lot in advance!
P.S>
I have just discovered that the icon of the WI - FI showing a processes going on but I can't reach My Router URL for example through the Local network.
Does it mean this is really dodgy unit or I am missing any settings or there is any cure for this?
Thanks again!

saxon_fan_since_1980 said:
OK!
I have done the upgrade to the 05.11.15 Stock ROM.
Have made a Factory Reset and the Wi-Fi is working as before but I can't reach internet basically.
Click to expand...
Click to collapse
so your mobile data still works on the latest firmware? specially after typing the correct apn settings?
regarding your wifi, where is the router in relation to your position? far away? standing right next to it with the phone? whats your encryption for your wifi? tried changing that to a different type and seeing if it connects?
if you have big concrete walls and live in a nice solid building that may too cause signal not to reach. the wifi isn't that great on the device speaking from experiance in comparison to other devices.
if all fails... possibly dodgy device

El_Nino9 said:
so your mobile data still works on the latest firmware? specially after typing the correct apn settings?
regarding your wifi, where is the router in relation to your position? far away? standing right next to it with the phone? whats your encryption for your wifi? tried changing that to a different type and seeing if it connects?
if you have big concrete walls and live in a nice solid building that may too cause signal not to reach. the wifi isn't that great on the device speaking from experiance in comparison to other devices.
if all fails... possibly dodgy device
Click to expand...
Click to collapse
Hi EL_Nino9,
I guess either the p8000 not like my D-LinkDIR-655 router or I am missing something in general.
I have an extension for the other rooms and the phone connecting to a simple TP-Link with no hassle at all, but D-Link is like a brick wall - you see the wi-fy working but no internet access.
It is still a mystery.
At least is proven the wi-fi module is working.
Believe me - I have tried to alter the setting on the route and still can't get to the net content.
Will keep exploring this and will report if any luck.
Thnaks!

I´m facing the same issue here. Google-Services like Google-Photo, Gdrive, Inbox are not working. Any solutions so far?

Looks Like I have rooter WI-FI issues
kraftmaschine said:
I´m facing the same issue here. Google-Services like Google-Photo, Gdrive, Inbox are not working. Any solutions so far?
Click to expand...
Click to collapse
Hi kraftmaschine - I have discovered that my aged D-LInk DIR-655 was giving me problems dropping out the signal. I had an access through mobile network and through my other room extension rooter, so I got on mind either compatibility issue or router problem. So I have upgraded the router and voila. Everything got sorted.
Also upgrade to the latest mod - not OWA but using the standard methods described here.
Hope that helps.

Question OOS 12.0.0 Stable Update Cellular Network Fix

Hi,
As you may know most of us is having this issue after the OOS 12.0.0 Stable Update, Cellular Network lost, No Signal, Outgoing call, and SMS.
The below method worked at least for me, let me know if worked with anyone of you please.
Please follow these steps :
1- Turn off your phone.
2- hold press volume-down button with power button.
3- keep holding these two buttons until fastboot recovery screen appears.
4- choose English.
5- you will see three options, Wipe data, reboot, and turn off.
6- tab "reboot".
7- when the phone boots normally, the signal is back .

Not working for me

xda9791 said:
Hi,
As you may know most of us is having this issue after the OOS 12.0.0 Stable Update, Cellular Network lost, No Signal, Outgoing call, and SMS.
The below method worked at least for me, let me know if worked with anyone of you please.
Please follow these steps :
1- Turn off your phone.
2- hold press volume-down button with power button.
3- keep holding these two buttons until fastboot recovery screen appears.
4- choose English.
5- you will see three options, Wipe data, reboot, and turn off.
6- tab "reboot".
7- when the phone boots normally, the signal is back .
Click to expand...
Click to collapse
I wonder if that works. You only reboot your system...

can I use the with LE2125?

Jomsha said:
Not working for me
Click to expand...
Click to collapse
I used to have internet connection, and I receive calls & SMS, But I cannot make outgoing calls and SMS.
try to follow these methods in link below, also it keeps updated so check regularly
Mobile Network not working on OnePlus 9 after OxygenOS 12 Android 12
This guide will show you how to fix the issue of the mobile network not working on the OnePlus 9 after the OxygenOS 12 Android 12 update.
www.droidwin.com

Anonymouze said:
I wonder if that works. You only reboot your system...
Click to expand...
Click to collapse
surprisingly it did, the original method is to wipe the cache in recovery screen, however, somehow I do not have the advanced reboot option in developer options...

gregs4623 said:
can I use the with LE2125?
Click to expand...
Click to collapse
I can't confirm that, but you can try anyways.

xda9791 said:
I used to have internet connection, and I receive calls & SMS, But I cannot make outgoing calls and SMS.
try to follow these methods in link below, also it keeps updated so check regularly
Mobile Network not working on OnePlus 9 after OxygenOS 12 Android 12
This guide will show you how to fix the issue of the mobile network not working on the OnePlus 9 after the OxygenOS 12 Android 12 update.
www.droidwin.com
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I dont have the Advanced Reboot option unfortunately... And APN delete and update not working either..

my case is worse, my sim card cannot be detected and shows as NO SIM, this is horrible

sunxutian said:
my case is worse, my sim card cannot be detected and shows as NO SIM, this is horrible
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I also tried paranoid android alpha, the SIM was permanently activating and deactivating...

Has ANYONE figured out how to clear the cache (partition) ?
I updated yesterday, without reading anything first (I figured it was "stable", right ... ), and now I can't get my mobile-network to work (either 5G or reverting to 4G, including APN reset, etc) for more than a few seconds at-a-time.
I chatted w/support, who of course told me to clear the cache (I've had this fix other network issues in the past, stale DNS and such), and seemed puzzled that the option doesn't exist, in Recovery-Mode, you can only do a full-format, period...
So, I'm hoping someone here figured it out?

pgrey2 said:
Has ANYONE figured out how to clear the cache (partition) ?
I updated yesterday, without reading anything first (I figured it was "stable", right ... ), and now I can't get my mobile-network to work (either 5G or reverting to 4G, including APN reset, etc) for more than a few seconds at-a-time.
I chatted w/support, who of course told me to clear the cache (I've had this fix other network issues in the past, stale DNS and such), and seemed puzzled that the option doesn't exist, in Recovery-Mode, you can only do a full-format, period...
So, I'm hoping someone here figured it out?
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Click to collapse
Yea , same problem here.
You can receive sms and calls. But you can't calling or sending sms... Mobile Data also working.. it's frustrating.
Support say clean cache. But there is no option to do so.. lame

Jomsha said:
Yea , same problem here.
You can receive sms and calls. But you can't calling or sending sms... Mobile Data also working.. it's frustrating.
Support say clean cache. But there is no option to do so.. lame
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Yeah, similar, except that I can only get *some* SMS, or perhaps "delayed" might be more accurate.
As such, I'm sort of locked out of both my Authenticator apps, which seem to not like the fact my mobile-data is sketchy (seems reasonable, actually), and then want to reset things, of course using SMS, but they require the codes to be "timely", which circles back...
Support is lost, if you ask me, they seemed confused about the cache issue, until I sent a pic, and then they just wanted to wrap up the chat, with no actual solution, other than "we'll have someone contact you in 24-48", which I seriously doubt will happen.
It's weird, almost like OP doesn't realize people use their phones for critical tasks, or they don't care, it's hard to say. If you go back and read some of the B2 threads (apparently the last B2 build was the release), it's more obvious that you shouldn't upgrade, and I wouldn't have, if OP had mentioned this, anywhere, in the release-notes...
I shut down backup/restore, right away, so I have a A11 backup, sitting there, now I just need to go find the right APK (support also had no clue there) and matching MD5 (yeah, I'm sort of paranoid about this), and cross my fingers, toes, and more... ;-]

pgrey2 said:
Has ANYONE figured out how to clear the cache (partition) ?
I updated yesterday, without reading anything first (I figured it was "stable", right ... ), and now I can't get my mobile-network to work (either 5G or reverting to 4G, including APN reset, etc) for more than a few seconds at-a-time.
I chatted w/support, who of course told me to clear the cache (I've had this fix other network issues in the past, stale DNS and such), and seemed puzzled that the option doesn't exist, in Recovery-Mode, you can only do a full-format, period...
So, I'm hoping someone here figured it out?
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Click to collapse
Stupid suggestion, but have your tried swapping Sim slots?
That seems to work for some people for getting 5g back...

hello all, same issue here.
i tried everything besides wiping data completely .
i do not want to do this before there is 100% confirmation that this can help.
about the suggested solution of trying the 2nd SIM card slot... i can see 2 sim cards options in cellular settings, but i dont see any other physical slot in my device to enter my SIM card, so i cannot try this method.
i dont understand how there is not patch for it, what we suppose to do in this case?
Thanks.

davidz85 said:
hello all, same issue here.
i tried everything besides wiping data completely .
i do not want to do this before there is 100% confirmation that this can help.
about the suggested solution of trying the 2nd SIM card slot... i can see 2 sim cards options in cellular settings, but i dont see any other physical slot in my device to enter my SIM card, so i cannot try this method.
i dont understand how there is not patch for it, what we suppose to do in this case?
Thanks.
Click to expand...
Click to collapse
My 9pro has a second slot, marked SIM2, on the other side of SIM1...

Yes, but even if i had the 2nd sim card slot, im not sure that this would have been solved this mobile network issue.

How to wipe caches:
Requirements- Root, computer, platform-tools
How to -
Dalvik through adb:
sdk/platform-tools/adb shell
[email protected]:/ $ su system
[email protected]:/ $ cd data/dalvik-cache/
[email protected]:/data/dalvik-cache $ rm *
[email protected]:/data/dalvik-cache $ exit
[email protected]:/data $ exit
Or
Cache through fastboot:
sudo su
fastboot erase cache

Will it do the trick in this case?
edit - maybe wiping all data completely will fix this issue?

davidz85 said:
Yes, but even if i had the 2nd sim card slot, im not sure that this would have been solved this mobile network issue.
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Which version do you have?
EU?
T-Mobile?