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Go to Settings → System → advanced, tap the admin mode, then use the floating
keyboard on the screen, enter the passkey 2364606633 to get into the admin mode.
Use remote control and press: UP> DOWN> UP> DOWN> LEFT> RIGHT> LEFT>
RIGHT> Brightness+> Brightness-, then you will see the admin mode pops up.
You can press the X button at the top of the right corner to exit it, or it will close
automatically if no operation detected after 5 minutes.
1. Reset
Enter the Reset submenu to set about the network settings reset, reset app preference and
factory data reset.