LG L55C Guia Del Usuario página 171

Accounts and Messaging
Privacy: Factory Data Reset
Resetting the device restores all the factory defaults, including
personal data from internal device storage, information about
your Google Account, any other accounts, your system and
application settings, and any downloaded applications. Resetting
the device does not erase any system software updates you've
downloaded or any files on your microSD card, such as music,
pictures, or applications. After resetting the device, the next time
you turn on the device, you're prompted to reenter the same kind
of information as when you first started the device.
1. Press > > Settings > Privacy > Factory data reset.
2. If you are certain that you would like to restore all factory
settings, tap Reset phone.
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