GT-N7100 not registered on network
I have flashed so many roms and last one is frmo sammobile 4.4 n7100 rom, but my device turned in factory mode and not registered no network. i got null imei..0049*****0000, i dont have any EFS backup. before root i took TWRP backup. but when ever i tried to restore, efs not mount and efs folder error coming(i formated data and efs also)
please help, for fixing this problem. from start...please