Hard reset Irbis SP455 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 Irbis SP455 restart.
Hard reset Irbis SP455 Option 2
1. Need to turn off the smartphone Irbis SP455
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 Irbis SP455 restart.
Attention!
To fully perform a complete reset of Irbis SP455, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory Irbis SP455 will be erased.