To reset your device back to factory settings, please follow these instructions:

Power up your Avov player.
Click ‘settings’ from the main screen.
Find ‘system info’ and click it.
Click ‘factory data reset’.

This should factory data reset your player. Just be patient and let the player do its job as it is downloading all the necessary updates to get you back online.
The device will re-boot on its own and bring you back to the main screen.

Thnx to Avov.tv Help Desk for the Copy