[Q] xperiaS LT26i sim card issue - Sony Xperia S, Acro S, Ion

hello folks
- buyed a Xperia S LT26i, locked to portuguese TMN 6 months ago
- updated to 6.1.A.2.45 after a month or so
- 3 weeks ago phone started to not recognize SIM card without any particular reason
- restarting phone / removing SIM worked for a while but then stopped working
- did a factory reset, same problem
- went to shop and they told me to ask for a new SIM card from TMN
- new SIM card didn't cleared the issue, same problem
- at some point, restart / reset / remove SIM has no effect at all i cant receive / make calls for 3 days now
- when SIM was detected i noticed that intensive use [specially games] could be related to the SIM going down
- SIM was tested on other phones and worked fine
Found some people with similar problems in this / other forums.
Any advice / tips before i send phone to sony assistance?
Thanks.

Related

[Q] (Q) Acro S keeps Rebooting after changing sim

Hey there... Need some help.... My acro s was working perfectly fine previously... Just had a little issue with mobile connection which goes off occasionally.
So i changed my sim card yesterday.
Today when i put in the new sim card (micro sim) my acro s keeps rebooting.
But the new sim works fine on my ip4.
When i change back to my old sim it works fine on my acro s. But that sim has been deactivated.
Acro s in running miui 4.04.
Any suggestions?

[Q] SIM card triggers reboot on SGH-747M

Hey guys, I'm just about at my wit's end trying to figure this out.. I'm on a SGH-747M running CM 10.2 and my phone works great without a SIM inswrted, but the moment I insert my SIM the phone locks up and restarts a few seconds after startup.
I picked up the SIM (Fido) a few days ago and for the first day it worked fine (which leads me to think that the problem doesn't lie with CM) but after I turned my phone of that night, the SIM problems started.
I've taken a few steps to try and fix the problem but nothing has worked yet:
- flashed the latest modem for rogers/fido
- flashed the latest bootloader for the 747M on rogers/fido
- tried a different SIM, same problems. Tried my SIM in another phone and it works with no problems (* my phone was used before on stock by a family member with a Fido SIM with no issues!)
- tried inserting the SIM while the phone is running but the phone doesn't seem to register it or find any networks
- at this point I thought it may be an app that was conflicting with the SIM on startup so I disabled most of the apps from starting on boot
- tried using acatlog and acatref to keepnl a log but both just show a blank screen when checking the log (apparently a common problem based on reviews in the play store)
I'm one step away from pulling my hair out Any suggestions or ideas would be greatly appreciated!
*attached picture of phone info and ROM info

Moto Z Play not showing VoLTE for specific JIO Sim

Hello Everyone,
I need some help regarding the network issues for Moto Z Play.
I started this thread because after doing a lot of solutions, resets and still it wasn't successful.
So here's the story -
Two days ago my brother gave me the phone which was in excellent condition (VoLTE working, Battery Performance, etc.) working on Android 7.0.
Then he did a reset on the phone from Settings so I can use it.
When I inserted my SIM Cards in the phone, I got network and everything and immediately I received an Update for Nougat 7.1.1. I installed the update and then when the phone booted, I did the setup and everything. But l wasn't able to get VoLTE on my phone. There was no Enhanced LTE Mode option in Settings. I thought it was something temporary and maybe after sometime I will be automatically resolved but it didn't.
The next day I started researching over the internet and found clearing the cache or data of settings or hard reset from recovery/settings will do and I did it but none of the solutions worked. Then I thought it was the SIM problem but it wasn't. I inserted the same Jio SIM from my phone into another VoLTE phone and it was working. I also tried another Jio SIM in Moto and it was showing VoLTE and everything was working perfect. Also I inserted my idea SIM (which was in SIM2 slot) in SIM 1 and it was not showing even 4G range (Just 3G) (The idea SIM is also 4G).
I tried everything - Swapping SIM cards, resetting the phone, Clearing cache, etc. I don't know why this has happened as my brother was using the same carrier sim in same slots (SIM1 - Jio|SIM2- Idea).
I also called the JIO care and they took the complaint and they told me they would look forward to it in 48 hours.
Also, my bootloader is locked and can I flash original stock firmware? (I guess that's only thing left I haven't tried) If so, please provide the link and guide to flash the firmware.
If Anyone has a solution please help me, I am in big trouble.
Get a new sim card for your number. Don't ask why. But this will work, trust me.
samarth05 said:
Hello Everyone,
I need some help regarding the network issues for Moto Z Play.
I started this thread because after doing a lot of solutions, resets and still it wasn't successful.
So here's the story -
Two days ago my brother gave me the phone which was in excellent condition (VoLTE working, Battery Performance, etc.) working on Android 7.0.
Then he did a reset on the phone from Settings so I can use it.
When I inserted my SIM Cards in the phone, I got network and everything and immediately I received an Update for Nougat 7.1.1. I installed the update and then when the phone booted, I did the setup and everything. But l wasn't able to get VoLTE on my phone. There was no Enhanced LTE Mode option in Settings. I thought it was something temporary and maybe after sometime I will be automatically resolved but it didn't.
The next day I started researching over the internet and found clearing the cache or data of settings or hard reset from recovery/settings will do and I did it but none of the solutions worked. Then I thought it was the SIM problem but it wasn't. I inserted the same Jio SIM from my phone into another VoLTE phone and it was working. I also tried another Jio SIM in Moto and it was showing VoLTE and everything was working perfect. Also I inserted my idea SIM (which was in SIM2 slot) in SIM 1 and it was not showing even 4G range (Just 3G) (The idea SIM is also 4G).
I tried everything - Swapping SIM cards, resetting the phone, Clearing cache, etc. I don't know why this has happened as my brother was using the same carrier sim in same slots (SIM1 - Jio|SIM2- Idea).
I also called the JIO care and they took the complaint and they told me they would look forward to it in 48 hours.
Also, my bootloader is locked and can I flash original stock firmware? (I guess that's only thing left I haven't tried) If so, please provide the link and guide to flash the firmware.
If Anyone has a solution please help me, I am in big trouble.
Click to expand...
Click to collapse
devilvj said:
Get a new sim card for your number. Don't ask why. But this will work, trust me.
Click to expand...
Click to collapse
Thanks man, I was too thinking of that and went to JIO store. They had a server error and will be back available in 4-5 days. Will then post with new SIM results.

[Solved] IMEI showing as Unknown - No service

Hi everyone.
Recently I have had some issues where sim cards are not working on my phone. At first I thought it was an issue with the sim cards but when I tried the sim in a different phone, it worked fine. I tried numerous restarts, taking the sim out and placing it back in (in case there was an issue with the contacts/sim tray) but this has not solved the issue. By chance I was looking at the phone identity menu and noticed that the IMEI and the IMEI SV fields both say unknown but the device serial number is fine.
I restarted the phone into download mode and checked the System info menu and IMEI number is displayed there but for some reason it is missing in the actual android OS hence I cant connect to the mobile network to make calls etc.
This all started recent after I had come back from abroad (had been using a foreign sim) and tried to use my UK sim. Up until that point, the phone worked fine with the UK and foreign sim. After inserting my UK sim, there was no signal. I got home and tried the sim in my other phone and it worked fine.
I have not modified the phone in anyway (other than flashing an official RUU to fix a boot loop issue - see here ) and it is boot locked and not rooted. After fixing the bootloop issue, I have applied all available OTAs that my phone detected automatically which upgraded the android version to 7.0 (OS 4.28.401.3).
I have tried factory resetting using the menu (not recovery mode) and this has not solved the issue. Any ideas as to how I can fix this IMEI issue?
Many thanks
Rob
Have you checked the apn settings are correct?. Have you checked other UK sim cards in your device that are known to be working?. Do you use a simcard adapter?.
shivadow said:
Have you checked the apn settings are correct?. Have you checked other UK sim cards in your device that are known to be working?. Do you use a simcard adapter?.
Click to expand...
Click to collapse
Yep.. tried other simcards thats work in other phones but they wernt working on my phone.. most likely due to the missing IMEI. I also noticed that the colour of the icons on the pulldown tray were red instead of blue and the phone was sluggish when toggling wifi on and off or entering/leaving Airplane mode.
I managed to fix the issue in the end by downloading an RRU and flashing it from SD card. Everything works ok now.
Thanks for your contribution :good:
shimozu said:
Yep.. tried other simcards thats work in other phones but they wernt working on my phone.. most likely due to the missing IMEI. I also noticed that the colour of the icons on the pulldown tray were red instead of blue and the phone was sluggish when toggling wifi on and off or entering/leaving Airplane mode.
I managed to fix the issue in the end by downloading an RRU and flashing it from SD card. Everything works ok now.
Thanks for your contribution :good:
Click to expand...
Click to collapse
Hi friend, I am actually facing the same problem. can you please guide to the link of the RRU you have used to resolve the problem.
Thanks in advance.

Fresh Note 10 + - Loss cell network

Hello
I have just received yesterday a Note10+ and everythings work fine.
Howover since this morning the cell network just constanly reset (status switch between Disabled network and No Signal)
The phone also asking for sim card pin everytime. (Most of time for the 2nd time but ask some time for the 1st also)
Question : does a full odin wipe with Efs clear can help ?
Thank you
Have you checked the sim card?
Yes phone has 2 sim card from 2 provider tryed swapping, one sim card nothing worked
I finally ended with full wipe with odin and fixed the problem but i guess the background problem is still here since i can see randomly the signal bar going complety disconnected (crossed circle) before going back a few second after
I guess there is a software issue in Samsung rom since odin fix the issue

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