How to Factory Reset or Flash Firmware for Your Keychron Q3 keyboard?

Troubleshooting? Or don't know what's going on with the keyboard? You may try factory reset.

Note: If everything works fine with your keyboard. Please don’t flash the firmware. There is a chance it can damage your keyboard.

First, it is recommended to try to factory reset using Launcher. Here are detailed step-by-step instructions：

How to Factory Reset or Use the Launcher Web App to Flash Firmware for Your Keyboard

1. Download the Q3 firmware (the file needs to be unzipped) and download the QMK Toolbox. (If the download link below does not work, use this link: https://github.com/qmk/qmk_toolbox/releases)

Download Q3 Non-Knob ANSI Firmware

Download Q3 Non-Knob ISO Firmware

Download Q3 Knob Version ANSI Firmware

Download Q3 Knob Version ISO Firmware

QMK Toolbox

Download QMK Toolbox for Mac

Download QMK Toolbox for Windows

1. Unplug the power cable from the keyboard.
2. Open the QMK Toolbox.
3. Remove the space bar keycap to find the reset button on the left side of the space bar switch on the PCB.

1. Press down and hold the reset button.
2. Plug in the power cable. The keyboard will enter into DFU mode. Then, the QMK Toolbox will display in yellow words "***DFU device connected".

1. Click open and choose the Keychron Q3 firmware. Click the Flash button. It will start flashing. (Note: Do NOT unplug the power cable while it's flashing.)

1. Wait a few seconds and when you see the content below, it means the keyboard has flashed successfully factory reset.

If VIA can't pair with your Keychron Q3 after you tried flashing, you need to follow these steps:

1. Reconnect your keyboard power cable.
2. If VIA still doesn’t pair together after you reconnect the power cable, download the Keychron Q3 keymap JSON file.

DownloadQ3 Knob version ANSI /USkeymap JSON for VIA

DownloadQ3 Non-Knob version ANSI /USkeymap JSON for VIA

DownloadQ3 Knob version ISOkeymap JSON file for VIA

DownloadQ3 Non-Knob version ISOkeymap JSON for VIA

1. Open VIA.

Step 1: Click the “DESIGN” section. Step 2: Drag the JSON file to the tab and then click the "CONFIGURE" section to customize the keymap.

1. VIA should pair together with the Keychron Q3 now.

You may contact support@keychron.com if a defect covered by the warranty arises in your product within the warranty period. Keychron will honor the warranty of our Q and V series keyboard (e.g.: Q1, Q2, V1, V2, etc.) by one of the following methods at our discretion:

• Defects of Q and V series keyboards have been caused by manufacturing: We will only replace the defective parts of the keyboard, not the whole keyboard, as it's highly customizable and easy to be rebuilt.
• Defects of Q and V series keyboards have been caused by disassembling our product, improper installation, non-factory repairs/modifications, improper adjustment of the product, or neglect, including but not limited to “burn-in”, and similar wrongful use: We will NOT offer free service. We only offer paid service to replace the defective parts at your own cost (including the cost of parts, shipping fee, and tax if applicable).