Therefore, an "update" means flashing a custom, unofficial, or ported AOSP Android 10 build, usually from:
Absolutely – if you still use the device. The jump from Android 6 or 7 to a properly optimized RK3229 Android 10 firmware updated build is transformative. Your aging TV box will regain access to the Play Store, run streaming apps reliably, and feel snappier thanks to better memory management. The risk is low if you follow the guide, and the reward is extending the life of your hardware by another 2–3 years. rk3229 android 10 firmware updated
Avoid anything labeled “Android 9” as a middle step – go straight for Android 10. RK3229 Android 10 Firmware — Quick, Interesting Overview