Firmware Update and Flashing

Note

• Firmware is pre-installed at the factory

Firmware Download

• Firmware Description
• wbtn-vX.X.X-X-XXXXXX-full.bin is the full firmware. It needs to be flashed starting from address 0x0. All configurations will not be retained after flashing.
• wbtn-vX.X.X-X-XXXXXX-delta.bin is the delta firmware. It needs to be flashed starting from address 0x10000. It only updates the firmware and does not affect the existing configuration.
• wbtn-vX.X.X-X-XXXXXX-www.bin is the UI firmware. It needs to be flashed starting from address 0x290000. It only updates the web frontend UI and does not affect the existing firmware and configuration.
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Firmware Update

• With the AirClick powered off, connect the ESP32 flashing port of the AirClick to your computer according to the BOOT instructions.
  

1. Download the USB flashing tool flash_download_tool
   • Click the download link below

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2. Open flash_download_tool_3.9.4.exe. Note: When you open the flashing tool, a CMD window will pop up first, followed by the flashing tool interface. Do not close the CMD window.
3. In the flashing tool, select ChipType: as ESP32-C3
4. In the flashing tool, select WorkMode: as Develop
5. In the flashing tool, select LoadMode: as USB
6. Finally, click OK. Refer to the image below:
   
7. After clicking, the image below will appear:
   

tip

• The area outlined in green in the above image must match the image exactly; do not make any modifications yourself.

8. Connect the AirClick to the computer via a USB-Type-C cable.
9. Click the blue region 1 in the image above to select the firmware you want to flash.
10. Click the blue region 2 in the image above to enter the flashing address.
11. Click the blue region 3 in the image above to select the COM port of the AirClick (if not visible, hold down the flashing button on the AirClick and then connect it to the computer).
12. Click the blue region 4 in the image above to set the baud rate to the maximum 921600.
13. Click the blue region 5 in the image above to start flashing. After the flashing is complete, the firmware upgrade of the AirClick will be completed (do not disconnect the AirClick until the flashing process is complete and the tool indicates completion).