samsung s3 i9300 imei repair problem already solved now thanks
 

dear sir

Turn-on the Phone Goto 'Settings > Application > Development'
And Check 'Usb Debugging' Then Connect Usb Cable To Phone And Install Needed Driver.
-----------------------------------------------------------------------------------------------
Prepairing ...OK
Device Found!
Reading Phone Informations ...

Model : GT-I9300
Android Version : 4.0.4
PDA Version : I9300XXBLH1
CS Version : I9300OLBBLH1
Phone Version : I9300DXLH1
IMEI : NULL
Checking Root ...OK
Phone Root OK. Continue..
Disabling Security ...Done!
Rebooting... OK!

Now Remove USB Cable then Insert Micro UART Cable to Phone to Continue..
Delay 40 Seconds...
Searching for phone on COM5 ... Phone Found
Reading Data from phone...
Model : GT-I9300
S/W Version : I9300XXBLH1
Unique ID : CVTF1CBA40C349F
Memory ID : -
IMEI : corrupted!!
MSL Addr : Õ²XÐÔsGÅUÓïLç

Verifying MSL ...

how to repair this
thanks

problem is always stuck at
MSL Addr : Õ²XÐÔsGÅUÓïLç

Verifying MSL ...

You cannot repair imei when msl is damaged(write good efs and check again)

can you share good efs?
thanks

can i use ubtool to repair this?
thanks

already solved thanks for your support

How did you resolve this?