If you only use your box for Kodi, you should run CoreELEC . It runs from an SD card, leaving your internal Android intact. The best Kodi performance on the planet. Best For: Dedicated home theater setups. How to Flash a Custom ROM on S905X3 (General Guide)

SlimBOXtv is arguably the most popular Android-based custom ROM for Amlogic devices. It offers both Android TV (ATV) and AOSP (stock Android) variants.

Wait for the image to verify. Ensure the configuration checkboxes are left at default ( checked, Erase Bootloader checked). Step 2: Connect the TV Box in Flash Mode

I can provide the direct links to the stable software builds matching your hardware. Share public link

Ensures your TV’s refresh rate matches the content (e.g., 24fps for movies), eliminating "judder." Magisk Support: For easy root management and modules.

If you want a "pure Android" experience without the clunky TV box launcher:

mkdir system_orig mount -o loop system.PARTITION system_orig # Remove bloatware rm -rf system_orig/app/*_demo_* system_orig/priv-app/ota* # Repack as sparse image make_ext4fs -s -l 2G -a system new_system.img system_orig/

There are three main categories of firmware you will find for the S905X3:

Here is the most critical warning:

This is the most critical step. Follow these instructions precisely: