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Altus Ponchos in new colors now avaliable from the forum store. More here.
If you are asking this because you want to develop/debloat the firmware rather than just update it:
Many units labeled as "ALPS 8227L-DEMO" claim to run Android 8.1, 10, or even 12, but often actually operate on with a visual skin to appear newer. alps 8227l-demo firmware update
With the unit powered off, insert the drive and power it on. If you are asking this because you want
Instead of risking a firmware update, you can change the look and feel without flashing: or even 12
After the firmware update is complete, verify that the board has been updated successfully. The firmware update tool should display a success message, and the board's firmware version should be updated.