i habe one mi note 4 which is no service , i have tried to downgrade it still no servcie , flash again write qcn , reset efs write imei still no service ,
in the beginning its showing radio off turn off the airplane mode , now its showing no service ,
tried

1.downgrade then update
2.write qcn
3.reset efs then write qcn then imei
still no service




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