so here is my situation,, a samsung gt s7262 was in factory mode. i was trying to solve it and in this i tried phone efs clear option in odin. i didnt know efs was very important and i shouldnt touch it. but later i flashed another efs with odin i found on internet. now my phone is working without factory mode and network is working but it have diffrent imei. now i want to restore my original imei. i tried to edit imei file in efs folder after rooting phone but after that network is not working. i've tried z3x box cracked to replace imei but after that network is not working. i want to make imei permanent and xpoz method is temporary so i dont want that. if you know any way to restore my imei permanent then please help me. thank you..