بعد تغير السريال اصبح غير مسجل علي الشبكة وعند وعند الضغط على patch certificcate تاجى هذا المشكله



Waiting ADB device... OK
Reading phone info...
Model: SM-G928C
Android version: 5.1.1
Product code: SM-G928CZDEXSG
Phone version: G928FXXU2AOK7
PDA version: G928CXXU2AOK9
CSC version: G928COJP2AOJ5
CSC country code: UAE
CSC sales code: XSG
HW version: MP 0.500
Phone S/N: 00000000000
Modem board: SHANNON333
RF cal date: 20150730
IMEI:
Checking Super user right... true
Initializating zTool... OK
Running zTool, please wait... error (7.7.8)
Current version can not be patched