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I've had a few mobile data related issues on a few different ROMs now, and am looking for any solutions. The first problem I've been having recently is where my phone randomly reports that there is no SIM card inserted and won't make or receive calls and cellular data doesn't work. Simply rebooting or removing and re-inserting the SIM will instantly fix the issue but I'd prefer to find a solution so I don't have to reboot my phone all the time. Another new issue I've noticed is where the signal strength remains constant but the "ASU" goes from 40 or so to 99 and my bars appear to drop to nothing, this issue may have only started after my most recent install of lineage. I have the US variant of the phone and currently have Lineage OS 14.1 but even when previously on an unmodified copy of EUI 21s, albeit after installed after a few other ROMs, I was getting this issue. Does anyone have any ideas why I might be having these issues, or any ideas on what to try to fix them? Any insight is appreciated!
in my case I have the x722 and this does not recognize any SIM at any time
Did you try factory resetting? Are your APN settings for your carrier correct? It could be a lot of things. If you bought it in the U.S. from a U.S. store, you'll probably be able to RMA it (easier than the rest of us, at least). If the issue persists, I'd say open a case and ask for a replacement because it's your best option.
When did these issues start? From the beginning? If not, did you flash the modem correctly?
sk8223 said:
Did you try factory resetting? Are your APN settings for your carrier correct? It could be a lot of things. If you bought it in the U.S. from a U.S. store, you'll probably be able to RMA it (easier than the rest of us, at least). If the issue persists, I'd say open a case and ask for a replacement because it's your best option.
When did these issues start? From the beginning? If not, did you flash the modem correctly?
Click to expand...
Click to collapse
I don't remember exactly when I started having these problems to be completely honest, I just know that on EUI, after once flashing to lineage then back to EUI, I was having issues with it saying NO SIM INSERTED and now after flashing to Lineage and re flashing the 19s modem I am still having issues. I suppose I can try to RMA since I bought it at launch on LeEco's US store. Though I may have passed a year of ownership so I may be out of warranty . I don't really know what else to try, maybe this?
My understanding of this phone is, flashing stock rom (either US version or CN version), whose size is about 1.4g bytes, can give you the modem.
All the roms developed here do not have modem images.
I have faced the same issue trying installing custom ROM while sim card inserted.
The solution for me is to remove the sim try completely
Fastboot this (chinese stock) rom : https://drive.google.com/uc?id=0By_Lx-WrwGa7cnZMZWF4QUdmQm8&export=download
complete the installation normally using your wifi and then insert sim tray with sim. Hurray ! I got that working.
With this chinese stock rom I got everything what I wanted google play store, assistant and etc. (except android > 6)
mhamzas said:
I have faced the same issue trying installing custom ROM while sim card inserted.
The solution for me is to remove the sim try completely
Fastboot this (chinese stock) rom : https://drive.google.com/uc?id=0By_Lx-WrwGa7cnZMZWF4QUdmQm8&export=download
complete the installation normally using your wifi and then insert sim tray with sim. Hurray ! I got that working.
With this chinese stock rom I got everything what I wanted google play store, assistant and etc. (except android > 6)
Click to expand...
Click to collapse
First thing don't flash this ROM is not a good idea bad advice.
Try flashing 727 19s modern backup all on computer and do a hard reset.
Let know if this helps?
Sent from my LEX727 using xda premium
mchlbenner said:
First thing don't flash this ROM is not a good idea bad advice.
Try flashing 727 19s modern backup all on computer and do a hard reset.
Let know if this helps?
Sent from my LEX727 using xda premium
Click to expand...
Click to collapse
Haven't tried 727 19s modem backup, but what works for me is this ROM.
I know this ROM is in chinese and you might struggle on changing the stuff but when I faced the issue, the only thing I needed is to make the device usable whatever it'll cost.
It'll be great if modem backup thing will work for anybody. This ROM might be the last option for you.
mhamzas said:
Haven't tried 727 19s modem backup, but what works for me is this ROM.
I know this ROM is in chinese and you might struggle on changing the stuff but when I faced the issue, the only thing I needed is to make the device usable whatever it'll cost.
It'll be great if modem backup thing will work for anybody. This ROM might be the last option for you.
Click to expand...
Click to collapse
If you flashing that ROM with their firmware if you have a big problem you can't fix it you are bricked 727 pro users should flash that firmware ect!
Their averaging one brick a day flash your own firmware stay safe.
Sent from my LEX727 using xda premium
1st the phone didnot show any network signal though the sims were present and detected....wifi didn't turn well either....So i installed twrp flashed xosp unofficial rom and the problem still persist....and I decided to reflash the modems.,I did so and the phone didn't boot ...I tried all the other roms but ll stuck at boot animation...
Is there any way it can be fixed?
anuppoudel said:
1st the phone didnot show any network signal though the sims were present and detected....wifi didn't turn well either....So i installed twrp flashed xosp unofficial rom and the problem still persist....and I decided to reflash the modems.,I did so and the phone didn't boot ...I tried all the other roms but ll stuck at boot animation...
Is there any way it can be fixed?
Click to expand...
Click to collapse
Flash the stock ROM and flash the the modem files using qpst flash tool if the problem still there it may be due to some hardware problem .
My device also had network problem and tried a lot of ways but at last it was due to some network components damage and it cost only 300 rs for its service.
Rn$h said:
Flash the stock ROM and flash the the modem files using qpst flash tool if the problem still there it may be due to some hardware problem .
My device also had network problem and tried a lot of ways but at last it was due to some network components damage and it cost only 300 rs for its service.
Click to expand...
Click to collapse
yes mate now it is working re flashed modems ... fixed imei....... and installed ed300's cm12.1.. everything is good now
Hello all
I have somes problems with my Galaxy note 4 n910f
1st problem : i flashed last stock rom by odin , all success , but at start "install DRK FIRST"
OK... I reset phone, it start, without DRK
I check IMEI, serial number, all fine, it connect to mobile data , can speak at phone, send sms..
So my EFS Look like good
2nd problem : lags, and freez 2 or 3 seconds, every time...
3st problem : all time it disconnect of wifi i have to re type password, tryed delete file of password, he re created one, but problem still
This phone was rooted on previous rom, with philz touch recovery
For trying to solve wifi problem was downgraded to android 5, but same problems, so i came back to 6.0.1
I rooted again to check if lags and wifi problems still here after, and of course they still here...
So now, what can i do for fix it? Install custom rom like lineage rom?
Repair kernel with Z3X box? ( i think buy one)
Some people says motherboard is dying
Thanks for yours answers
Dav
Maybe its sd card related? Remove it and see if that helps or not
There is no SD card on , and never was
ZobyWan said:
There is no SD card on , and never was
Click to expand...
Click to collapse
I dunno maybe motherboard really is dying.
My Moto G4 Plus (XT1640) was on Stock Rom 7.0 everything working fine, so i got a OTA update, downloaded it and installed, at first it got bootloop so i forced it to power off (Power button and Volume minus) and rebooted it, but the Simcard doesnt get signal , only recognizes tells my sim number but no signal
I already tried everything, after the problems with the official 8.1 via OTA, i tried to downgrade to Stock Rom 7.0, unlocked bootloader , downgraded to 7.0 and it still doesnt get signal on Simcard and when i check the IMEI it was 0, so i installed TWRP and flashed Arrow OS 9.0 triyng to get IMEI and Simcard signal back, Clean flash i got my IMEI back but the Simcard doesnt get signal, recognizes but i cant do calls or use 4g keeps all the time "No Signal"
So i see installed "Stable Oreo 8.1 OPJ28.111-22" flashed it through TWRP and it is with the same problem no signal ... If anyone can help me pls message me or reply this, i need my phone to work!
https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068
What does your baseband report as, can you provide the full string (including the line after the .77R)?
Here's a similar thread with some possibly useful help. https://forum.xda-developers.com/moto-g4-plus/help/xt1640-service-update-to-8-1-t3926054 in particular https://forum.xda-developers.com/showpost.php?p=79437813&postcount=14
echo92 said:
What does your baseband report as, can you provide the full string (including the line after the .77R)?
Here's a similar thread with some possibly useful help. https://forum.xda-developers.com/moto-g4-plus/help/xt1640-service-update-to-8-1-t3926054 in particular https://forum.xda-developers.com/showpost.php?p=79437813&postcount=14
Click to expand...
Click to collapse
My Baseband is : M8952_70030.25.03.77R DLFT_FSG
fegama said:
My Baseband is : M8952_70030.25.03.77R DLFT_FSG
Click to expand...
Click to collapse
With that baseband, I'd try downloading the factory firmware (do not flash) and use the programutags.bat as I mentioned in the other post. See if that repairs your device.
shawgluz said:
https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068
Click to expand...
Click to collapse
My IMEI is ok
https://imgur.com/a/OosRkjG
echo92 said:
With that baseband, I'd try downloading the factory firmware (do not flash) and use the programutags.bat as I mentioned in the other post. See if that repairs your device.
Click to expand...
Click to collapse
Ill try it now if it works ill reply here!
When i opened the .bat it shows it, it doesnt show my country that is Brazil what i do ?
1 - LATAM
2 - APAC
3 - Canada
4 - US
5 - EMEA
6 - Quit
Please select Region:
https://imgur.com/a/LWmKkdl
After i use the programutags.bat i got my signal back for some seconds and lost it another time and now it shows "Only Emergency Calls" i check my IMEI and as u can see on the screenshots, ive lost my IMEI, so i think thats because i lost my IMEI using this that my SIM isnt working, i already try my Sim in another device and it is Ok. What can i do to recover my IMEI ? I have a TWRP EFS Backup that i did on Arrow Os 9.0 with IMEI fine, but with the same problem of signal ... , I tried to flash TWRP and restore this backup,it shows sucessful but my IMEI wasnt back
fegama said:
https://imgur.com/a/LWmKkdl
After i use the programutags.bat i got my signal back for some seconds and lost it another time and now it shows "Only Emergency Calls" i check my IMEI and as u can see on the screenshots, ive lost my IMEI, so i think thats because i lost my IMEI using this that my SIM isnt working, i already try my Sim in another device and it is Ok. What can i do to recover my IMEI ? I have a TWRP EFS Backup that i did on Arrow Os 9.0 with IMEI fine, but with the same problem of signal ... , I tried to flash TWRP and restore this backup,it shows sucessful but my IMEI wasnt back
Click to expand...
Click to collapse
You may have lost your baseband downgrading back to Nougat, since you mentioned you had already updated to stock Nougat.
You could either fastboot flash the Oreo firmware or try this: https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068
That script should have reprogrammed your hw partition and set the correct parameters for your radio, so I'm not sure what's happened to your baseband.
fegama said:
https://imgur.com/a/LWmKkdl
After i use the programutags.bat i got my signal back for some seconds and lost it another time and now it shows "Only Emergency Calls" i check my IMEI and as u can see on the screenshots, ive lost my IMEI, so i think thats because i lost my IMEI using this that my SIM isnt working, i already try my Sim in another device and it is Ok. What can i do to recover my IMEI ? I have a TWRP EFS Backup that i did on Arrow Os 9.0 with IMEI fine, but with the same problem of signal ... , I tried to flash TWRP and restore this backup,it shows sucessful but my IMEI wasnt back
Click to expand...
Click to collapse
https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068 i did the proceedments with the terminal app and got my IMEI and signal back, but now i want to try to use Arrow Os 9.0 if i flash it through TWRP will i lose my IMEI and Simcard signal another time ?
fegama said:
https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068 i did the proceedments with the terminal app and got my IMEI and signal back, but now i want to try to use Arrow Os 9.0 if i flash it through TWRP will i lose my IMEI and Simcard signal another time ?
Click to expand...
Click to collapse
I honestly do not know - your best bet is to backup your EFS using Lyuu's TWRP as recommended in the Arrow OS thread. At least you'll have a copy of your modemst1/modemst2 that hopefully will restore your signal. Then flash ArrowOS and the relevant GApps.
You may lose signal if you revert back to stock firmware.
echo92 said:
I honestly do not know - your best bet is to backup your EFS using Lyuu's TWRP as recommended in the Arrow OS thread. At least you'll have a copy of your modemst1/modemst2 that hopefully will restore your signal. Then flash ArrowOS and the relevant GApps.
You may lose signal if you revert back to stock firmware.
Click to expand...
Click to collapse
Thank you! I already post an update, after two days searching for solutions i finally got it, but i am on Stock ROM 7.0 with ElementalGX Kernel and root that was the requirements https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068 of this post that i used with your help too, but i dont know if this Kernel is better than the stock kernel, Im interested in flashing Arrow Os 9.0, what do u think is better i stay on the stock 7.0 or flash it ?
fegama said:
Thank you! I already post an update, after two days searching for solutions i finally got it, but i am on Stock ROM 7.0 with ElementalGX Kernel and root that was the requirements https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068 of this post that i used with your help too, but i dont know if this Kernel is better than the stock kernel, Im interested in flashing Arrow Os 9.0, what do u think is better i stay on the stock 7.0 or flash it ?
Click to expand...
Click to collapse
Again, it's up to you. ElementalX is a good kernel, though it really depends on what you want from your device. If you want stability, then the stock ROM and ElementalX (or flashing the stock Oreo firmware and then ElementalX/loony) are your choices. If you want more customisation, then Arrow OS or another custom ROM are your options. It really is up to you.
echo92 said:
Again, it's up to you. ElementalX is a good kernel, though it really depends on what you want from your device. If you want stability, then the stock ROM and ElementalX (or flashing the stock Oreo firmware and then ElementalX/loony) are your choices. If you want more customisation, then Arrow OS or another custom ROM are your options. It really is up to you.
Click to expand...
Click to collapse
After all this trouble i think is better i stay on the Stock 7.0 with the ElementalX Kernel, i need my phone to work, so ill stay on the stock i spent like 2 days to find the solution lol
I flashed a rom ( Crdroid) and the mobile data was off, sometimes it doesn't detects the SIM till re-inserting it one or more times, then when it's detected, I put it on but when I check, it's turned off, and about the Apn.. it says "Apn settings are not available for this user" thought I can Still add it with the (+), but when I add it, again I check and it disappears, nothing works
i tried to flash another rom(Corvus Os) and it's still the same, I can't neither receive calls or messages, neither call or send messages
Help
JestXII said:
I flashed a rom ( Crdroid) and the mobile data was off, sometimes it doesn't detects the SIM till re-inserting it one or more times, then when it's detected, I put it on but when I check, it's turned off, and about the Apn.. it says "Apn settings are not available for this user" thought I can Still add it with the (+), but when I add it, again I check and it disappears, nothing works
i tried to flash another rom(Corvus Os) and it's still the same, I can't neither receive calls or messages, neither call or send messages
Help
Click to expand...
Click to collapse
U flash the last firmware?
Xiaomi Firmware Updater
The ultimate script that provides firmware packages for Xiaomi devices.
xiaomifirmwareupdater.com
Or an other option is to go back to MIUI with fastboot rom and the steps to a customer rom.
i came back to miui, i Think its the latest versión, but still no getting service, thought i used OrangeFox, its necessary Pc ? i installed the lastest firmware too
but i didnt it on Pc so idk, but now its not even detecting de SIM, atleast in the custom roms it was appering
JestXII said:
i came back to miui, i Think its the latest versión, but still no getting service, thought i used OrangeFox, its necessary Pc ? i installed the lastest firmware too
but i didnt it on Pc so idk, but now its not even detecting de SIM, atleast in the custom roms it was appering
Click to expand...
Click to collapse
Test to flash with mi flash tool the fastboot rom on windows. I think to flash the fastboot rom will help.
Or first https://xiaomifirmwareupdater.com/vendor/lavender/
Or
MIUI 12.3 - 20.12.9/10
Status: RELEASED RULES WHEN POSTING 1. If a ROM is not published DONT ASK ABOUT ITS ETA 2. If a ROM is not published DONT ASK why! 3. If a ROM is available, download it and use it 4. If a ROM has bugs, post the bug to the bug section if the BUG is not already listed 5. If you use any form of...
xiaomi.eu
Good luck I've no ideas more
can u flash via MiFlash the latest MIUI ROM?
On my Galaxy S5 using LineageOS17.1 I had the same problem and I did flashed the StockROM of Galaxy S5 and I got all of the Services back like APN Settings or Mobile Data.
So try reflashing the StockROM
joke19 said:
Or first https://xiaomifirmwareupdater.com/vendor/lavender/
Or
MIUI 12.3 - 20.12.9/10
Status: RELEASED RULES WHEN POSTING 1. If a ROM is not published DONT ASK ABOUT ITS ETA 2. If a ROM is not published DONT ASK why! 3. If a ROM is available, download it and use it 4. If a ROM has bugs, post the bug to the bug section if the BUG is not already listed 5. If you use any form of...
xiaomi.eu
Click to expand...
Click to collapse
Thank you, i will try first that and in a while i will get a pc
kerem._trk said:
can u flash via MiFlash the latest MIUI ROM?
On my Galaxy S5 using LineageOS17.1 I had the same problem and I did flashed the StockROM of Galaxy S5 and I got all of the Services back like APN Settings or Mobile Data.
So try reflashing the StockROM
Click to expand...
Click to collapse
i will get a Pc in some hours, i will answer when i get it thanks for your replies
Okay I hope your problem will be fixed
okay, i'm back i clean flashed the fastboot ROM and nothing changed sadly
While in the starting this happened, it was asking me to insert SIM, it was already in but I reinserted it, and then an error appear "com.android.phone keeps failing"
If you know how can I solve this, please tell me
plus info.. if I insert the SIM 2 or more times, it reboots to the system or the recovery
JestXII said:
plus info.. if I insert the SIM 2 or more times, it reboots to the system or the recovery
Click to expand...
Click to collapse
Maybe your SIM card connector is damaged.
did you put in already a other card or put your main card into another phone.
kerem._trk said:
Maybe your SIM card connector is damaged.
did you put in already a other card or put your main card into another phone.
Click to expand...
Click to collapse
(SIM 1)
I tried another sims but still nothing, and these aren't broken or something, tho I'm seeing that Miui 12 has already the problem about non detecting SIM, Soo.. I'll try Fastboot ROM Miui 11 Android 9
Okay, i solved it, tho im a newbie, there was some videos about how to fix it, the first step is flash the stock rom / not the miui 12 one for me, it has problems with detecting chips in some telecom companies like Claro or Telcel, wich mine was Telcel, so i flashed the fastboot rom ( miui 11 android 9) , and at this point, it wasnt detecting the chip still, but somehow i could recieve calls and everything, but now being in miui 11, the 2nd step is restore de cqn file, im not gonna post it but ill give the video where i got it, but with the programs and all that, you can restore de qcn file via diag, thats all, there some videos about how to pass to miui 12 without these problems but idk, heres the videos
stock rom via fastboot
restore cqn file( no sim detected)
that was all, see ya
.