• michal
• 1 day ago
• Categories: Gigabyte
• Categories: GSmart Sierra S1
• Free: Free warranty check

1. First, power up the phone by pressing the Power button.

2. Next, hold down the Power and Volume Up buttons for a moment.

3. Release held buttons after the Recovery Mode appears on screen.


4. When in Recovery mode, navigate using Volume Up and select options with Volume  Down.