Where is the fault ???


Waiting For Device… OK
Please Tap on ‘OK’ in ‘Allow Usb Debugging;’ Pop-up on Device Screen!
Device Status: [ONLINE]
Model : SM-G355H
Manufacturer : samsung
Serial No. :
PDA Version : G355HXXU0AOI2
CSC Version : G355HODD0AOI1
SW Version : G355HDDU0AOI1
Android Version : 4.4.2
Build ID : KOT49H
IMEI : 000000000000000
Sales/Country Code : INU
Built Date : Fri Sep 11 13:42:57 KST 2015
Checking Root Permission… OK
Writing IMEI A… Fail! -4
Stopping ADB Service… OK
Operation Time: 00:00:31