Hard reset Symphony i90 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 Symphony i90 restart.
Hard reset Symphony i90 Option 2
1. Need to turn off the smartphone Symphony i90
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 Symphony i90 restart.
Attention!
To fully perform a complete reset of Symphony i90, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory Symphony i90 will be erased.