Is the USB plugin cable for the motherboard slot USB 2.0 or USB 3.0? What about the coiled aviator cable adapter? Zoe March 01, 2023 08:07 Both of them are USB 2.0. Related articles Holding the Fn key by itself on Mac should bring up an emoji selection box. It doesn't work on the QMK keyboard. Keyboard not working in Cable mode I’ve flashed the Bluetooth firmware. Can I use the QMK Toolbox to flash the firmware? Will it erase the fixed Bluetooth firmware? If I encounter any problems with my keyboard, who can help? My Q1 sometimes disconnects (via USB-C to USB-A cable) itself. I have to unplug and replug the cable to make it work again. What should I do?