Disclaimer: This article is for educational and informational purposes only. Downloading and flashing firmware may void your warranty, brick your device, or cause data loss. Ensure you have the correct board revision (e.g., PCB number) before proceeding. The author is not responsible for any damage to your hardware.
Updating to Android 5.1 usually requires a custom recovery like TWRP.
For the MXQ S805 TV box, the "5.1" firmware typically refers to the Android 5.1.1 Lollipop update. Because this hardware originally ran Android 4.4 KitKat, upgrading to 5.1.1 is often done via custom ROMs, as official stock support for this version is rare. Download Resources mxq s805 firmware 51 download link
: You can find various S805 ROMs, including Android 5.1 builds, on AndroidFileHost's MXQ Amlogic section 4PDA Community
FreakTab is the holy grail for Android TV box development. Navigate to the "Amlogic S805" section. Search for threads by user "Ricky" or "Superceleron." Look for titles containing "MXQ 5.1" or "8188." The author is not responsible for any damage
Flash Firmware: Hold the button until the recovery screen appears (roughly 10–15 seconds). Use the menu to select Install and choose your firmware file from the SD card. Important Considerations
You will find hundreds of forums promising the "MXQ S805 Firmware 51 download link." Most of these links lead to: Because this hardware originally ran Android 4
The MXQ S805 TV box (powered by the Amlogic S805 quad-core processor) was a budget-friendly streaming device that gained massive popularity between 2015 and 2018. However, with age comes problems: boot loops, "NAND" flash errors, Wi-Fi failure, or simply being stuck on the "MXQ" logo. The most common solution is a full firmware flash using Android 5.1.1 Lollipop (build 51).