: This firmware generally works on 1GB RAM models (HD18Q or Q8 boards). It is NOT recommended for "Blink" versions or 512MB RAM units (M21D).
: You can find various versions of this firmware on sites like AndroidFileHost or community forums like FreakTab.
: This is the most famous Android 5.1 port for the S805, originally developed for the K1 box but compatible with many MXQ "All Black" and "HD18Q" models. mxq s805 firmware 5.1 download
: A high-quality SD card (formatted to FAT32), a toothpick or thin object for the reset button, and a PC to transfer files.
Insert a toothpick into the until you feel a click (the reset button). : This firmware generally works on 1GB RAM
Official support for the S805 ended years ago, so most "Lollipop" updates are community-ported ROMs.
Hold the button, plug in the power, and wait for the recovery screen to appear. : This is the most famous Android 5
: Copy the firmware .zip file and the recovery.img (TWRP) to the root of your SD card. The "Toothpick" Method : Insert the SD card into the powered-off box.
: In TWRP, perform a "Wipe" of the Data and Cache. Then, select "Install," find your 5.1 .zip file, and swipe to flash.
MXQ S805 Firmware 5.1 Download: A Comprehensive Guide to Reviving Your TV Box