How does Gionee s9 restore factory settings?

1. Find the settings on the mobile phone and click to enter, as shown in the figure.

2. After entering the settings page, slide the phone screen to the bottom, and click Advanced Settings at the back, as shown in the figure.

3. After entering the advanced settings, find the backup and reset, and click Enter, as shown.

4. Then click the option to restore the factory settings, as shown.

5. Finally, click OK to restore, so that the factory settings can be restored.