How to Use the Launcher Web App to Flash Firmware for Your L5 HE Keyboard

Troubleshooting? Or don't know what's going on with the keyboard?  First of all, You may try to factory reset your keyboard.
Note: If everything works fine with your keyboard. Please don’t flash the firmware. There is a chance it can damage your keyboard.

How to use the Launcher Web App to flash the keyboard firmware

1. Open the launcher website. Link：https://launcher.lemokey.com/

2. Make sure that your keyboard is in Cable mode and plug the power cable into your keyboard.

3. Select the keyboard of the corresponding model and click the 'Connect' button.

4. Click 'Firmware Update' on the left.

5. When you get to the next page, please click “Next” to flash firmware.

6. At currently stage, unplug the USB cable and let the keyboard disconnect.

7. While the keyboard is disconnected, remove the 'Space Bar' keycap and find the reset button on the PCB.

8. Press and hold the reset button and simultaneously connect the keyboard to the computer with the cable.

Let the keyboard enter the state of preparing to update the firmware.Click the 'Match Device' button below, select the device named ‘Boot ROM Open’, and match it.

9. After successfully matching, the 'Flash Firmware' button will appear, click it to start updating the firmware.(Do not disconnect the keyboard from the computer while flashing firmware.)

10. Wait a while, 'Firmware update successfully' is displayed at the top of the screen, 'Firmware Update' complete.