IMEI 000000000000000 = W/O SIGNAL [ NO NETWORK ]
IMEI 004999010640000 = WITH SIGNAL [ WITH NETWORK ]
PROCEDURE:
= root the phone
= copy NV_DATA from working phone
= upload/restore nv_data to NON Working phone
= reboot phone
= DONE
NOTE:
this is only applicable for those who don't have nv_data backup
Tested on samsung galaxy S2
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