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How to flash the firmware and factory reset the Keychron wireless mice

Note:
(1) This guide is applicable to the following models:
Keychron 2.4G wireless mice (1K polling rate version only): M1 wireless, M2, M2 mini, M3, M3 mini, M6, M7.

 (2) Please flash the firmware on your Windows PC. (We are working on making it accessible for Mac systems.)

 (3) If you have multiple Keychron mice of the same model, please flash each one by one. Do not plug all the mice into the computer at the same time.

 (4) If everything works fine with your mouse, please don’t flash the firmware. There is a chance it can damage your mouse.

The firmware update includes two parts:
(1) Flash the firmware for the mouse;
(2) Flash the firmware for the Type-A/Type-C 2.4 GHz Receiver.

Please follow the instructions to flash the mouse firmware first.

Flash the firmware for the mouse

Step 1: Download and open the update tool (Keychron Firmware Updater).

Download the Keychron Firmware Updater (Windows)
keychron-firmware-updater-1680077146778.jpg__PID:c1a2599e-5d07-403a-b1b5-c7a42b7fe857

Step 2: Plug the mouse into your Windows PC.

Note:
(1) Make sure your mouse is connected to the PC with the cable that came with the box. If you are using a third-party cable, please make sure it can pass data as some cables can only be used for charging.
(2) Ensure only one Keychron mouse is connected to your computer. If you have multiple Keychron mice of the same model, please flash each one by one.

 Then click on the 'Get Version' button to check your current firmware version.

keychron-firmware-updater2-2_22efb48a-0e9a-481f-b9aa-a824995d34c2.jpg__PID:20acd4c1-a259-4e5d-87c0-3a71b5c7a42b

Step 3: Please download the correct firmware for your mouse.

Download M1 Wireless mouse firmware

*Firmware version 1.0.0r-9 updated on August 11, 2023

Download M2 mouse firmware

*Firmware version 1.0.4 updated on April 03, 2024

Download M2 Mini mouse firmware

*Firmware version 0.1.3r updated on October 12, 2023

Download M3 mouse firmware

*Firmware version 1.2.0r-9 updated on August 11, 2023

Download M3 Mini mouse firmware

*Firmware version 1.0.4 updated on April 12, 2024

Download M6 mouse firmware

*Firmware version 0.1.6 updated on March 18, 2024

Download M7 mouse firmware

*Firmware version 0.1.0 updated on April 22, 2024

Click to see the M6 firmware updates

• Improve 2.4G and Bluetooth power efficiency and battery display for longer use.

• Fix random scrolling down issue in wireless mode. 

• Bug fixes and improvements.

Step 4:
Click on the 'Browse' button, select the firmware you have just downloaded, and then click on the 'Update' button to start flashing the firmware.

keychron-firmware-updater2-3_ea6d6a95-d5b6-47ab-897d-403a1ffcb4a9.jpg__PID:acd4c1a2-599e-4d07-803a-71b5c7a42b7f

Step 5:
Now you have updated the firmware successfully. You can click on the 'Get Version' button again and check to see if it is the latest version.

keychron-firmware-updater4-4.jpg__PID:d4c1a259-9e5d-47c0-ba71-b5c7a42b7fe8

Next, please follow the instructions to flash the firmware for the receiver.

Flash the firmware for the Type-A/Type-C 2.4 GHz Receiver

Please click the link below to download and flash the firmware:

How to Flash the Firmware for the Keychron Receiver

Factory reset the mouse

After the receiver and mouse have finished the flash, please factory reset the mouse.

How_to_factory_reset_the_M3_mini_4K_mouse.jpg__PID:599e5d07-c03a-41b5-87a4-2b7fe857e51a

Note:
(1) After factory resetting, you need to reconnect the mouse to your device via the 2.4GHz receiver or re-pair via Bluetooth.

(2) Please refer to the mouse user manual to learn how to connect the mouse to your device in 2.4GHz/Bluetooth mode.

keychron-m3-user-guide1-1680078747838.jpg__PID:a2599e5d-07c0-4a71-b5c7-a42b7fe857e5
Keychron_M3_Mini_User_Manual_page-0005_84acab25-306b-4ad6-afd8-992fa11e8796.jpg__PID:9e5d07c0-3a71-45c7-a42b-7fe857e51a76
Keychron_M3_Mini_User_Manual_page

Note: For the M3 1K mouse, please hold the "Left button + RGB light effects button" for 4 seconds to re-enter 2.4GHz/Bluetooth pairing mode.