LG Optimus F7 Hard Reset / Factory Restore
https://gsmfixer.blogspot.com/2015/08/lg-optimus-f7-hard-reset-factory-restore.html
How to Do LG Optimus F7 Hard Reset / Factory Restore to remove pattern lock, to get original setting and to solve hang on logo problem. LG Optimus F7 Hard Reset or master reset can be performed in the following steps.
- Turn the phone off.
- At the same time press and hold Volume Down Key + Power Key .
- Release the keys when the FACTORY HARD RESET screen appears.
- Read the warning and press the Power/ Lock Key to confirm.
- Press any other key to cancel.
- Press the Power/Lock Key to confirm once more or press any other key to cancel.
- Your device will perform a hard reset and reboot automatically.