How to Flash Factory Firmware in Seed Studio XIAO ESP32C3

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Step 1: Enter Bootloader Mode

  1. Hold down the BOOT BUTTON on your XIAO ESP32C3.
  1. Connect the board to your PC via USB Type-C to enter bootloader mode.
  1. Once connected, release the BOOT BUTTON.

Step 2: Download ESP RF Test Tool

  1. Visit this page to download the ESP RF Test Tool and Test Guide.
    esp-flash-tool-download
  1. Extract the downloaded .zip file to access the tool.

Step 3: Open ESP RF Test Tool

  1. Navigate to the extracted folder and open EspRFTestTool_v2.8_Manual.exe.
    esp-flash-tool-open
  1. Select ESP32C3 as the ChipType.
  1. Choose the appropriate COM port and set the BaudRate to 115200.
    esp-flash-2
  1. Click open to establish the connection.
    esp-flash-5

Step 4: Flash the Bootloader

  1. Select the Flash option in the tool.
  1. Click Select Bin and choose the factory firmware file for XIAO ESP32C3.
    esp-flash-6
    • You can download the factory firmware from this link.
    ESP32-C3_RFTest_108_2b9b157_20211014.bin
  1. Once selected, click Load Bin to initiate the flashing process.
    esp-flash-8

Step 5: Verify Successful Flashing

  1. Wait for the flashing process to complete.
    esp-flash-9
  1. You will see a confirmation message indicating successful flashing.
  1. Your XIAO ESP32C3 board is now ready with the factory firmware.

Step 6: Conclusion

By following these steps, you can quickly and effectively reflash the bootloader on your XIAO ESP32C3 board using the ESP RF Test Tool. If you encounter any issues or have further questions, feel free to reach out for assistance.

Happy flashing!

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