i9305 imei repair failed
 

Selected model: I9305
Selected port: COM3 Z3X BOX Serial Port
Selected port speed: 115200
Searching ADB device... OK
Reading phone info...
Model: GT-I9305
Android version: 4.1.1
Product code: Unknown
Phone version: Unknown
PDA version: I9305XXALI7
CSC version: I9305DTMALI4
IMEI: Unknown
Checking Super user right... true
Writing data to phone... OK
Rebooting phone... OK
Checking phone at COM3 OK
Repairing IMEI... error
Repairing network settings... OK
Reseting... OK
Repair done
Done with Samsung Tool v.15.3

Done with Samsung Tool v.15.3

tried with all available versions,downgrade from 4.1.2 but stilthis error.any solution?

any solution please?