How to unlock bootloader samsung galaxy J7 NXT.

Samsung Galaxy J7 NXT SM-J701F
Samsung Galaxy J7 NXT SM-J701FZ
Samsung Galaxy J7 NXT SM-J701M
Samsung Galaxy J7 NXT SM-J701MT

go to setting > about > Build number is 7 tab go back
setting > Developer option > USB debugging on & Turn on OEM unlock
unlock bootloader done.

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