Try a different USB port on your PC (rear ports on a desktop are more stable) or a different USB cable.
Use a paperclip to press and hold the reset button inside the pinhole. While holding it, plug the USB cable into the OTG port (not the power port) of the geekbuying mk808b firmware update
Wait for the progress bar to finish. The device will reboot once the tool says "Restore Done Success." Wi-Fi Not Working: The Try a different USB port on your PC
Finless Bob’s ROMs (e.g., Finless 2.1 ) are widely considered better than the stock firmware because they fix overheating and Wi-Fi stability issues. Step-by-Step Installation 1. Install Drivers Before your PC can talk to the , you need the Rockchip USB drivers . Download and extract the "RKBatchTool" folder. The device will reboot once the tool says
Click . (Note: "Restore" is safer than "Upgrade" as it wipes the old data and performs a clean install).
In the "Connected Devices" section at the bottom, one of the squares (usually #1) should turn .
Click the button at the top right to select your firmware .img file.