Before downloading any firmware, you must identify your specific TV Box model. The S805 chip was used in hundreds of different casings (brands like MXQ, M8, MK808B Plus, etc.). Flashing the wrong firmware can permanently brick your device.
This is the tricky part. Unlike smartphones, TV box manufacturers rarely host firmware on official websites. Most files live on file-hosting sites (MEGA, MediaFire, Baidu) or forums. Here’s a safe strategy: amlogic s805 firmware
A: Yes, if a custom Lollipop ROM exists for your exact board. Not all S805 devices support 5.1 due to NAND driver differences. Maskrom / Download mode
| Error | Meaning | Fix | | :--- | :--- | :--- | | 0x10105002 | Wrong USB cable / Not OTG port | Use a short USB A-A cable. Try a different port on the box. | | 0x30405003 | Image mismatch (DDR timing) | You have an incompatible firmware. Find one matching your PCB. | | 0x10302001 | Flash chip failure | Try the short-pin method. Your NAND may have bad blocks. | | Romcode/Switch status | Key reading failure | Reinstall USB Burning Tool drivers. Disable driver signature enforcement on Windows. | SD-card or USB recovery
If your S805 device shows no signs of life (black screen, no LED):
Avoid random "download.exe" sites. Use these trusted resources:
Do not just search "S805 firmware." Use: