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Firmware Update and Flashing

Important Note
  • The device comes pre-flashed with firmware from the factory.

Firmware Download​

  • Firmware Description
  • wbtn-vX.X.X-X-XXXXXX-full.bin is the full firmware. It must be flashed starting from address 0x0. All configurations will be lost after flashing.
  • wbtn-vX.X.X-X-XXXXXX-delta.bin is the incremental firmware. It must be flashed starting from address 0x10000. Only the firmware is updated, and existing configurations are preserved.
  • wbtn-vX.X.X-X-XXXXXX-www.bin is the UI firmware. It must be flashed starting from address 0x290000. Only the web frontend UI is updated, and the existing firmware and configurations are unaffected.
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Firmware Update​

  • With the AirClick powered off, connect its ESP32 programming port to the computer by holding the BOOT button.
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  1. Download the USB flashing tool flash_download_tool
    • Click the download link below.
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  1. Open flash_download_tool_3.9.4.exe. Note: After opening the flashing tool, a CMD window will pop up first, followed by the flashing tool interface. Do not close the CMD window.
  2. In the flashing tool, select ESP32-C3 for ChipType:.
  3. In the flashing tool, select Develop for WorkMode:.
  4. In the flashing tool, select USB for LoadMode:.
  5. Finally, click OK. Refer to the image below.
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  6. After clicking, the following image will appear.
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Tip
  • The green highlighted areas in the image above must match exactly as shown. Do not modify them.
  1. Connect the AirClick to the computer using a USB Type-C cable.
  2. Click the blue area 1 button in the image above to select the firmware you want to flash.
  3. Click the blue area 2 in the image above to input the flashing address.
  4. Click the blue area 3 in the image above to select the AirClick's COM port. (If it doesn't appear, hold down the AirClick's programming button while connecting it to the computer.)
  5. Click the blue area 4 in the image above and set the baud rate to the maximum 921600.
  6. Click the blue area 5 in the image above to start flashing. Wait for the flashing to complete. The AirClick will finish the firmware update once done. (Do not disconnect the AirClick's cable until the flashing completion prompt appears.)
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