W-king D8 Firmware Update -

Swap to the original cable that came with the device or use a verified high-quality smartphone data cable. Try switching to a different USB port directly on your PC's motherboard rather than a USB hub. Flashing Tool Fails at 0% ("Device Not Found")

Keep both held until the PC software recognizes the device, then trigger the "Download" or "Update" action in the tool. W-king D8 Firmware Update

If your firmware update fails, or if the speaker keeps malfunctioning, a hard reset may be required to revert to factory settings. Swap to the original cable that came with