PROCEDURE:
-enable OEM option in developer setting.
-enable USB DEBUGGING.
-then root and unlock the phone na.
root file-https://download.chainfire.eu/1181/CF-Root/CF-Auto-Root/CF-Auto-Root-j7y17lte-j7y17ltexx-smj730f.zip
-enable OEM option in developer setting.
-enable USB DEBUGGING.
-then root and unlock the phone na.
root file-https://download.chainfire.eu/1181/CF-Root/CF-Auto-Root/CF-Auto-Root-j7y17lte-j7y17ltexx-smj730f.zip