In order to hard reset a Motorola T720, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Motorola T720 device will be brought back to the default configuration of a brand new device.
1. Hold down the Power button until the phone turns on.
2. Tap in the lock code 0000 or 1234 by default).
3. Wait for your cellular to reset'n'restart. Done.