There are two primary ways to apply this firmware to your device:
You may need to press and hold the hidden reset button (inside the AV port ) with a toothpick while plugging in the power/USB to enter flash mode.
December 2, 2016 (indicated by the 20161202 string). download-mxq-pro-s905-20161202-androidpc-zip
Updating firmware usually wipes all apps and personal data. Back up important files first.
Format an SD card to FAT32 and copy the .zip file onto it. Execute: Open the Update & Backup app on your TV box. There are two primary ways to apply this
Use a male-to-male USB cable to connect the TV box to the PC.
These tutorials provide visual guidance for flashing and updating firmware on MXQ Pro S905 devices: MXQPRO AMLOGIC S905: ANDROID UPGRADE HACK YouTube · MXQ PROJECT How to Install ROM on MXQ 4K TV Box Using Only an SD Card YouTube · T.M TECH Back up important files first
Click "Select" and locate the .zip file on your external storage. Update: Choose "Update" and confirm to start the process. Amlogic USB Burning Tool (PC Method)