In order to hard reset a Mitsubishi M341i/M720, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Mitsubishi M341i/M720 device will be brought back to the default configuration of a brand new device.
1. Hello. Please turn on the phone.
2. Next, type in one of these codes: *#94267357# or *#881188# or *#19912006# or *#118811# or *#77218114# or*#3646633#
3. Wait for your phone to reset and restart.