In order to hard reset a MWg UBiQUiO 503g, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
MWg UBiQUiO 503g device will be brought back to the default configuration of a brand new device.
1. Hold down the Power button until the device turns on.
2. Next open Main Menu and go to Settings, Reset and Master Reset.
3. Select Yes and type in the lock code (default code is 1234).
4. Voila, done.