In order to hard reset a Maxon MX-C90, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Maxon MX-C90 device will be brought back to the default configuration of a brand new device.
1. Hello! First of all, switch the phone on. To do that, hold down the Power button.
2. Open the phone's dialer by pressing the Call button.
3. Now use the phone's keyboard to enter this code into the dialer - *#9426*357# or *#19912006# or *#3646633# or *#118811# or *#881188#
4. Finish the hard reset process by pressing the Call button again. Wee, woo, well done.