1.Display the menu with MENU.
2.Select Help and press OK to access.
fxos
3.Select About Firefox OS / TV Self Test / System Information / Device Information and press OK to access.
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About Firefox OS
Displays the information about Firefox OS.
TV Self Test
Makes a diagnosis of picture or sound problems.
Follow the on-screen instructions.
System Information
Displays the system information of this TV.
Device Information
Displays the device information of this TV.