Nokia c7-00 clone invalid sim after repair imei no service solved by piranhaboxfirst problem ivalid simafter repair done no service)writeflashproblem solvedresult...
PROCEDURE open smartsam box select model.on phone type *#7284# select uart as modem.usb as p.d.a.then type *#9090# select uart reboot phone connect s7070 uart cable press direct unlock.wait for process to finish ...