problem no sim card

medoyosef · Feb 28, 2014

i have tab p3100 i forgot to make efs backup and upgrade wrong stock rom from sammobile i domt know any info about the device after upgrade the message no sim card shown i flash 2 roms united kingdom and chines please any one help me to solve this sim vard error problem

Shivam Kumar Jha · Mar 2, 2014

medoyosef said:
i have tab p3100 i forgot to make efs backup and upgrade wrong stock rom from sammobile i domt know any info about the device after upgrade the message no sim card shown i flash 2 roms united kingdom and chines please any one help me to solve this sim vard error problem

TWRP recovery creates a backup of EFS.
If u have a twrp bacup, try restoring EFS from there.

njstein · Mar 3, 2014

Shivam Kumar Jha said:
TWRP recovery creates a backup of EFS.
If u have a twrp bacup, try restoring EFS from there.

It creates one if the efs is working and functional. If he has corrupted it or somehow erased without a backup, then bad news...

Sent from my GT-P5113 using XDA Premium 4 mobile app

Shivam Kumar Jha · Mar 3, 2014

njstein said:
It creates one if the efs is working and functional. If he has corrupted it or somehow erased without a backup, then bad news...

Sent from my GT-P5113 using XDA Premium 4 mobile app

Yes U r right., Thats y I said if he has a twrp backup when the efs was correct, try restoring efs from there.
Otherwise like u said., its a bad news..

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