You can reset to factory settings in the Settings/System/Reset options/Clear all data menu.
If you are unable to access the settings, you can try the solution below.

For Android 10 and 12 (SP08):

To revert to factory settings, switch the tablet on with power and VOL + (keep it pushed till the “Select Boot Mode” menu appears). Choose “Recovery” with VOL + and confirm with VOL -.

When a “no command” screen appears, push simultaneously VOL + and power (about 5 seconds). In the following menu, navigate with VOL + and – and select “wipe data / factory rest”. Push “power” to confirm, select “Factory data reset” and confirm with the power button. When it’s done, select the reboot mode.

For Android 11 (SP10AS):

To revert to factory settings, switch the tablet on with power and VOL – (push it for about 10 seconds, as long as you feel a vibration). When a “no command” screen appears, push simultaneously VOL + and power. In the following menu, navigate with VOL + and – and select “wipe data / factory rest”. Push “power” to confirm, select “Factory data reset” and confirm with the power button. When it’s done, select the reboot mode.

For Android 13 (SP10S/SP10X):

1. Power on the tablet by holding the Power and VOL - buttons until  the first screen appears, then release both buttons and wait till the recovery screen appears * Sometimes its necessary to press the Power button slightly ahead of the VOL- button (less then 1 second) to initiate the process.
   
2. Navigate to "Factory data reset" and confirm using the Power button, reboot the device and setup*.

 If you have any questions, please contact us directly.

Happy boating!