DOOGEE F3 Pro Hard Reset
https://gsmfixer.blogspot.com/2015/09/doogee-f3-pro-hard-reset.html
DOOGEE F3 Pro Hard Reset to remove pattern lock. Factory Reset DOOGEE F3 Pro to original phone settings. Hard Reset DOOGEE F3 Pro to solve hang on logo problem. A backup of your important is a wise step before hard reset your phone.
Hardware Keys First Method:
- Switch Off the phone.
- Then press and hold together Volume Up and Power key for a few seconds.
- You can release held keys when you see an Android icon.
- In the next step use Volume buttons to select "wipe data/factory reset" and tap the Power button to confirm.
- Afterwards choose "yes" from the menu, and accept it with Power button.
- When a Recovery Mode appears again on the screen accept option "reboot system now" using Power rocker.
- Yes! You have done!