Method 1: Hard reset on the device
Press and hold the “OK” button for about 10 seconds.
The LCD screen will prompt you with: “Warning, Reset to Factory Setting”. Press OK to continue.
Note: The phone can take a few minutes to reset to factory default settings. Ensure that the device does not lose power during this time or it may cause damage to the phone’s software.
Method 2: Via phone menu.
- Press Menu Softkey.
- Go to Settings → Advanced UI, enter the password to continue.
Select Reset to Factory option. - The LCD screen will prompt you with: “Warning, Reset to Factory Setting”. Press OK to continue.