In order to hard reset a Asus V55, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Asus V55 device will be brought back to the default configuration of a brand new device.
1. Turn on the phone.
2. Press the Left Soft key. That should display the Menu.
3. Select Settings.
4. Now select Handset and then Reset Settings.
5. A message saying "Restore factory settings? Yes/No" will appear on screen. Choose Yes.
6. Type in the con?rmation code 1234.
7. Again, select "Yes".
8. Aaaaaaand it's done.