🚨 Roku Service Interruption for TCL RokuTVs - RESOLVED, 10/21/2025

Roku is currently experiencing disruptions across some services due to a third-party outage. Their team is actively working to resolve the issue as quickly as possible. You will not need to contact support or take any action at this time. Updates will be posted on this page.

Thank you for your patience and we apologize for the inconvenience.

How to check the software version of the TCL Alto 9+ Sound Bar

While sound bar is in Sleep mode (LED is blinking), use the sound bar remote control and press the following button in sequence: Forward Arrow >>| Rewind Arrow <<| VOL down -. The sound bar will display a series of alphanumeric values, the most important digits are displayed after the 'WAIT' text Dxxxx.  In the sample video below, it shown D0204 which indicates the main software version is 2.4. 


Latest software version: 2.9

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