/efs

Hi guys, A month ago my phone got stuck on Samsung's bootscreen (I was using CM10.2). I tried to restore a nandroid backup but the recovery wasn't able to mount /data, so I had to restore my phone via odin flashing official firmware. Then /efs was corrupted so I lost my IMEI (0049...)...

hello community, ive got a big problem, my phone wont boot up on slimkat (CM11....) but only on stock firmware (non rooted). in twrp and stock recovery there always (always!) appear E: failed to mount /efs (invalid argument) but my imei and phone sms... is ok on stock. but any non-stock rom wont...

Here's my situation. I'm flashing and using a CM11 Variant for AT&T http://forum.xda-developers.com/showthread.php?t=2529128 I can install the ROM just fine, calls/data works great. The problem I run into happens when I restore a CWM backup of CM11. The restore gives me the same CM11...

Hi guys, a friend of mine bough a brand new Samsung Galaxy SII from Amazon. It was unlocked and came with no warranty. For one month the phone work flawlessly, but then one day the phone's battery went discharged so my friend plug it to a wall charger and turn it on... that was the last day the...

Friends, I screwed up my /efs partition. I have managed to reconstruct it, but I the .nv_data.bak did not get rebuilt automatically, as some suggested that it might do. Following Helroz's learned guidelines, I recreated that backup file, but there was a glitch along the way, and I am not sure...