Hard Reset SAMSUNG                Galaxy S6

1 .  At the beginning switch off the cell phone by pressing the Power button.

 2 .      Afterwards press and hold together: Volume Up + Home + Power                                    button, until you see Samsung logo.

 3 .    Then select from Recovery Mode menu "wipe data / factory reset"                     using Volume buttons to navigate and Power button to confirm.

4 .   Choose "Yes -- delete all user data" to confirm the whole operation.

5 .  After that select option "reboot system now".

6 .  Well done! The hard reset has just been performed.

Samsung A7  Factory Reset passcode unlock

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                           full tutorial ..........