The Amlogic S805 is a legacy 32-bit quad-core processor commonly found in older "MXQ" style TV boxes. Because the official Android versions for these devices are outdated (often stuck on Android 4.4 KitKat), development has shifted toward custom Linux-based firmware like LibreELEC and Armbian to maintain modern functionality. Recent Firmware Options LibreELEC (Kodi-focused):
Final Tip: If you cannot find firmware specifically for your board model, the safest bet is to create a "Multi-Tool" SD Card using the Amlogic bootcard maker with a generic firmware file; it will often auto-detect your hardware during the install process.
Background
To recover:
new firmware. These are Linux-based distributions that bypass Android entirely to run (up to version 18.2 Leia and beyond) with high efficiency. Essential Tools for Flashing amlogic s805 firmware new
Known Issues: Running Armbian on S805 often requires booting from an SD card rather than the internal eMMC to avoid accidental bricking, as there is no "universal" stable u-boot for all S805 variants. AlexELEC:
For users wanting to repurpose their TV box as a low-power server or SDR receiver, Armbian 20.10 Bullseye remains a highly capable option. The Amlogic S805 is a legacy 32-bit quad-core
CoreELEC is currently the most active project for S805. Their "new" builds are based on Kodi 20 (Nexus) or Kodi 21 (Omega).
Since official links are often dead, your best sources are community archives: Background To recover: new firmware