Check if your box uses the AP6181 or AP6210 WiFi module. Installing the wrong version will cause your WiFi and Bluetooth to stop working.
For a more stable experience on old hardware, many users prefer flashing LibreELEC to boot directly to Kodi. mxq s805 firmware 5.1 download
He watched the TV. Nothing. The screen was black. This was normal. He was rewriting the soul of the machine. At 85%, he started to sweat. This was the danger zone. If the power went out now, the box would be a brick—a plastic paperweight forever. Check if your box uses the AP6181 or AP6210 WiFi module