In order to hard reset a Sagem MY 3078, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Sagem MY 3078 device will be brought back to the default configuration of a brand new device.
1. First, press and hold the Power button until the phone turns on.
2. Press Call button to open the Dialer. Afterwards, select Menu > Settings > Backup & Reset > Factory Data Reset.
3. Press Call button to confirm the hard reset. Done!