1
vote
0answers
750 views

How to Repair IMEI of rooted phone without backup

I recently rooted my Samsung Galaxy S2 AT&T phone (SGH-I777) with KitKat AOCP version. I used ClockworkMod 6.0.4.6 recovery. However, I encountered a problem "E: Cant mount storage/sdcard0" . I ...
6
votes
3answers
51k views

How to restore my IMEI on Galaxy S if I don't have a backup of /efs?

I installed CyanogenMod 10 Nightlies on my Galaxy S1, coming from CyanogenMod 9. On every reboot I get the message: Warning! A problem was detected with your device. Your device IMEI number is ...