How to enter OnePlus One Recovery Mode mode, Hard reset / Wipe and Recovery Forgotten Unlock Pattern.
Recovery Mode OnePlus One
- Turn off the device
- Press and hold Volume Down key + Power Key about 10 seconds
- Release Power key only when device vibrates
- Release Volume down key when Adroid Recovery mode aappears
- Use Volume key to select Menu
- Use Power key to Confirm or Execute Menu
Hard reset OnePlus One using External Hardware keys
- In Recovery Mode select wipe data / factory reset
- press Power key to confirm
- select Yes — delete all user data, press power key to confirm
- select Reboot system now to finish hard reset
Hard reset using Settings Menu
- Turn on the device
- Select Apps
- Select Settings
- Select Backup and reset
- Select Factory data reset
- Select Reset device
- Select Erase Everything
- Select Ok
Warning! If you perform a hard reset, make sure to back up important data. The data can not be recovered after perform a hard reset. If you forgot your unlock pattern, It will remove your forgotten pattern unlock.