may come with Android 9 pre-installed. Ensure you identify your board version (e.g., 2020 or 2021) before flashing, as using the wrong firmware can brick the device. To flash Android 9, you will typically need:
Use the Amlogic USB Burning Tool v2.1.6 or v2.2.0 . tx3 mini firmware android 9
Before installing any custom ROM or firmware on your TX3 Mini, make sure to: may come with Android 9 pre-installed
Custom Android TV ROMs may have limited support for the stock IR remote. Using a 2.4GHz wireless air mouse is highly recommended for full navigation. Before installing any custom ROM or firmware on
The original TX3 Mini shipped with Android 7.1 or 8.1. There is no official Android 9 firmware from the manufacturer (Vontar/Transpeed) for the standard S905W/S905W-B chipset. Any "Android 9" firmware you find is a custom ROM (e.g., ATV, Aidan's ROM) or an unofficial port that may have bugs (e.g., no Wi-Fi, broken Bluetooth, DRM issues).
It is the only widely tested, semi-stable Android 9 firmware for TX3 Mini.
Open your TX3 Mini → look for chip numbers like SV6051P , RTL8189FTV , RTL8723BS , HS2734A . Pick ROM version that matches – otherwise Wi-Fi fails.