LG E440 User Manual page 170

Important notice
< If you have forgotten your PIN or Password >
If you forget your PIN or Password, you will need to perform a hard reset.
Caution: If you perform a hard reset, all user applications and user data will be
deleted.
NOTE: If you have not logged into your Google Account and have forgotten
your Unlock Pattern, you will need to enter your Backup PIN.
5. Using the Hard Reset (Factory reset)
If your phone does not restore to its original condition, use a Hard Reset (Factory Reset)
to initialize it.
1 Turn the power off.
2 Press and hold the Power/Lock key + Volume Down key + Home key.
3
When the LG Logo appears on the screen, release all keys.
WARNING
If you perform a Hard Reset, all user applications, user data and DRM
licenses will be deleted. Please remember to backup any important data
before performing a Hard Reset.
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