- Press and hold the ATT key on the remote control.
- Without releasing the ATT key, press and hold the OK key.
- Release both the ATT key and the OK key.
All four mode keys will flash twice to indicate programming mode.
- Enter programming code 900 by pressing the number keys on the remote control. The ATT key will flash three times indicating the code was successfully entered and the remote has been reset to the default settings.
How to Factory Reset ATT Uverse Remote Control – When your ATT Uverse Remote Control didn’t work or having some trouble to use it, you can solve it problem with factory reset or master reset. Generally this action will make your ATT Uverse tools work in good condition again but I doesn’t work you can contact ATT Support.
Here the steps How to factory reset your ATTUverse remote control: