Step-1
Read the EFS of Working Phone
From Address: 0x0000 0040 0000
and Data Length: 0x0000 0140 0000
Step-2
Write EFS to the Target Phone (with the same address read in working Phone)
Step-3
Repair imei with any tool Like Z3X Or ASANGSM
if serial after repairing become to 0499xxxxxxx, then, this mean Your Phone will done but If it become Blank this mean it’s a Hardware Problem.
You can also use this file to repair your EFS if you don’t have working phone.
DOWNLOAD
I9100 Good EFS