CC4 - How to Reboot Frozen System

METHOD ONE:

Go to [System] --> [Reset] --> [Factory Reset] --> Erase all Data (Factory Reset)

METHOD TWO:

On the main screen, long press the time in the top-right corner 6 times. The device will directly enter the settings interface.

Then go to [System] --> [Reset] --> [Factory Reset] --> Erase all Data (Factory Reset)

METHOD THREE

Use a SIM ejector to press the RST small hole on the Android head unit

Wait for the screen to ight up and display the animated TEYES LOGO

Continuously tap the center area of the screen on the TEYES LOGO

After tapping confirm, the device will automatically restart and begin the restoration. Please wait patiently for the restoration to complete. Do not power off or operate the device during this process.

If SIM card has PIN code, the SIM card will NOT work. Please remove PIN code from sim card before trying to make SIM card work. Sometimes your network operator will have to be contacted to remove PIN