Hard reset Sigma Mobile X-style S5501 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 Sigma Mobile X-style S5501 restart.
Hard reset Sigma Mobile X-style S5501 Option 2
1. Need to turn off the smartphone Sigma Mobile X-style S5501
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 Sigma Mobile X-style S5501 restart.
Attention!
To fully perform a complete reset of Sigma Mobile X-style S5501, a battery charge of about 80% is required.
When the reset is completed, all personal applications and data installed in the memory Sigma Mobile X-style S5501 will be erased.