It will remove all the data ,contacts and apps that you installed
Use Hard Reset to initialise your phone.
When the phone is turned off, Press and hold Home key + Volume down key + Power key for over 10 seconds. When screen
shows LG logo, release power key.
After screen shows hard reset screen, release other keys.
Leave you phone over a minute while it performs hard reset, then your phone will be turned on.
Caution: If you perform a Hard reset, all user applications and user data are deleted. This cannot be reversed. Remember to back
up any important data before performing a LG C660 MFL67300803 hard reset.
LG C660 Restore Factory Hard Reset Format Phone.So lets start the LG C660 Restore Factory, LG C660 Hard Reset.Turn Off the mobile phone for few mints.LG C660 Remove Pattern Lock.
Restore Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again.