how to hard reset Lg 3d p920

Caution if you perform a full reset, your LG Optimus 3D P920 returns to its default settings and looses all information that is not recorded in ROM.
To perform a factory (hard) reset:

1. Go into Settings > Privacy > Factory data reset.

To perform a hard reset using the buttons:

1. Switch off the phone, take out the battery and reinsert back in.
2. Hold the home and volume down button.
3. Hold the power button until phone turns on.
4. Follow the instructions on-screen.

BT THERE no written wht press wip date

just need to press 3d button it will wipe data