Problem After upgrade to Android 12

[Toxic_Player87]

The problem arose after the upgrade to android 12. After the upgrade, I lost the network. I can only make emergency calls. When I was on android 10, everything worked great.

 

[Laura Knotek]

What carrier do you have? Have you contacted them? Perhaps your SIM has gone bad.

 

[B. Diddy]

Welcome to Android Central! Try removing the SIM card and then reinserting it again. Also check to make sure your APN settings are still correct for your carrier.

 

[Toxic_Player87]

Thanks.I tried:

Master reset
Flash/install again android 12
Other sim cards
Clear cash in bios

Also i gived phone to services and also they dont know what to do.
The only solution is to change the motherboard, but that expencive.

 

[Kizzy Catwoman]

Thanks.I tried:

Master reset
Flash/install again android 12
Other sim cards
Clear cash in bios
View attachment 345093
Also i gived phone to services and also they dont know what to do.
The only solution is to change the motherboard, but that expencive.

And may be more expensive than replacing the phone. What a mess!

 

[B. Diddy]

What about checking the APN settings? You didn't mention if you did that.