How to Reset the TCL Alto 9+ Sound Bar

To return the sound bar to its default settings, follow the step-by-step instructions:

  • While the sound bar is on standby-mode (white LED is blinking), press and hold the  Play/Pause/OK button on the sound bar remote control for 5-seconds.  
  • Wait until you see the the FACTORY RESET option, then press the Play/Pause/OK button to confirm.
  • Once reset is complete the sound bar will restart.  

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