Hard reset QMobile LT550 Option 1
1. Go to Settings
2. Click on the menu About Phone
3. Next item Storage
4. Then click on Factory data reset
5. Mark opposite Factory Reset and Format disk
6. Click on Start cleaning
7. Reset will complete after QMobile LT550 restart.
Hard reset QMobile LT550 Option 2
1. Need to turn off the smartphone QMobile LT550
2. Press Volume Up + Turn on for a few seconds
3. Stop pressing the buttons when we see the brand logo on the display
4. Click Clear Data
5. Click on Start
6. The reset process will end after QMobile LT550 restart.
To fully perform a complete reset of QMobile LT550, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory QMobile LT550 will be erased.