Royaltek RN2 / RN2 BT hard reset: In the main menu choose Settings > Reset, then...

Royaltek RN2 / RN2BT hard reset

In the main menu choose Settings > Reset

Royaltek RN6 hard reset

Royaltek RN2 hard reset

 

Royaltek RN6 hard reset

Choose Factory Reset

 

When you see "Load factory default settings?" Tap YES.

Royaltek RN2 hard reset