You can download the MXQ S805 firmware 5.1 from the following link:
: A stable build for the m201 board found at China Gadgets Reviews . Important Precautions mxq s805 firmware 51 download link
: Often based on builds originally meant for the K1 TV box but adapted for S805 "all black" models. You can download the MXQ S805 firmware 5
Many developers host firmware on MEGA or Google Drive. The specific filename you are looking for typically contains V5.1 or 8189 . Do not download from pop-up ad sites like "tvboxfactory.com" – they are traps. mxq s805 firmware 51 download link