1. To reset Samsung 7 edge, first ensure to power it off.
2. Press and hold the volume up and home button.
3. In addition to pressing the volume up and home button, also press the power button until the recovery booting shows on the screen.
4. From the recovery screen, scroll down and select 'wipe data and factory reset'.
5. select yes to allow the process start.
6. select reboot to restart the phone and complete the process.