In order to hard reset a Sagem MC 850, you should perform the following steps.

Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Sagem MC 850 device will be brought back to the default configuration of a brand new device.


1. First, turn on the phone.

2. Next, go to Menu > Settings > Networks > Phone > Reset.
3. Lastly, select Yes. Wait for your phone to reset and restart. Voila.