Turn off the mobiwire Kohan
Press and hold both Volume up and the Power button until it turns on'
On the next screen choose recovery mode using the volume key and the volume down to navigate.
Scroll to 'Wipe data/ factory restore' (scroll with Volume Down)
Confirm selection with the Power button
Scroll to 'Yes---delete all user data'
Again, confirm with the Power button
Wait until you see Wiping complete
Short press the Power button to 'Reboot now'.