For users who want to turn their TV box into a mini-server or desktop, Armbian is the best choice. Pre-Requisites for Installation Before updating your ROM, you must have the following: Tanix TX9 Pro Box (ensure it's the S912 model). (required for flashing via PC). Windows PC . Amlogic USB Burning Tool .

Plug the Tanix TX9 Pro back into your television using the HDMI cable. Reconnect the original power adapter.

: Once the progress bar hits 100% and turns green, click "Stop," unplug the USB cable, and reconnect the power to your TV. The first boot may take 5–10 minutes. Troubleshooting Common Issues

Most custom ROMs replace the clunky stock launcher with a clean, official Android TV or Google TV interface designed specifically for leanback navigation with a remote control.

: Highly regarded for its stability and extensive customization options for Tanix devices.

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: Many custom ROMs come pre-rooted or allow for easier Magisk installation. Preparation Checklist Before starting, ensure you have the following:

Many custom ROMs port the official Android TV interface to the TX9 Pro. This provides a much better, remote-friendly UI than the stock tablet-style Android interface [2].

The USB Burning Tool should now show a "Connected" status. Click the button in the tool. The flashing process will take a few minutes. Do not unplug the cable during this time. Step 5: Reboot and Enjoy

For the Tanix TX9 Pro (Amlogic S912), the custom ROM landscape has evolved significantly. While the device originally launched with Android 7.1, updated community-driven firmware now allows it to run modern versions of Android TV 12, 13, and even 14 .

Install the Amlogic USB Burning Tool on your PC. Ensure the drivers install completely. Launch the USB Burning Tool as an administrator.

For the Tanix TX9 Pro (S912 processor), updated custom ROMs breathe new life into the device by offering improved performance and modern Android features. While the original stock firmware was based on Android 7.1.2, community-driven projects have introduced significantly more recent updates. Popular Updated Custom ROMs (2026)

Gain full control over your system files to run advanced apps, ad-blockers, and custom tweaks.

: Newer ROMs frequently include "kill apps" processes and speed test functions to manage the device's 3GB of RAM more efficiently. Installation & Update Tips

: If the device fails to boot after 15 minutes, re-enter recovery mode and perform a "Wipe Data/Factory Reset" using a custom recovery like TWRP .