i have tried doing this radio whipe
But it failed to flash now i am stuck with a failed flash screen everytime i try to boot .
Also tried http://forum.xda-developers.com/show....php?t=2166542
was able to complete the procedure successfully how every i was not able to use to the GSM.
I am currently on Android 4.1.2 and thing to note is i am not able to set the network mode to GSM, on choosing GSM it defaults to Global .
I tried ti flash back to 4.0.4 however that was a flash failure as well .
Appreciate if anyone could help on this , i got this phone last year and i cant seem to get it to work any help is well appreciated