Quote:
Originally Posted by edcentec  Use 12.1 tool
Phone rooted:
-Use 3g tool 12.1,
-Choose i9100
-Tick"unlock patch" , "repair efs"
-Tick repair
-Put any imei on imei tab
-Your imei will set to original.........
. 
it works 4me, post results.....  |
One other way is with EFS Pro.............The original imei is in phone, just a matter of extracting it back. Harder thing is giving new imei.........Z3X can not do that yet.........