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Last active March 13, 2025 00:19
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A code and no-code flashing guide

Flashing Meshtastic Firmware: Code Path

Prerequisites

  • Python: Installed on your computer
  • Pip: Python package installer
  • USB Cable: Appropriate for your device
  • Meshtastic Device: Ensure the antenna is connected before powering on

Steps

  1. Install esptool

    • Open your terminal or command prompt.
    • Install esptool by running:
      pip install esptool
      
  2. Download Firmware

  3. Identify Serial Port

    • Determine the serial port your device is connected to:
      • Windows: Check Device Manager under "Ports (COM & LPT)".
      • macOS/Linux: Run ls /dev/tty.* or ls /dev/serial/by-id/*.
  4. Put Device in Bootloader Mode

    • For devices with a reset button: Press the reset button twice quickly.
    • For devices without a reset button: Consult your device's manual.
  5. Flash Firmware

    • Run the following command, replacing [PORT] with your device's port and [FIRMWARE_FILE] with the path to the firmware file:
      esptool.py --chip esp32 --port [PORT] write_flash -z 0x1000 [FIRMWARE_FILE]
      
  6. Completion

    • Once flashing is complete, reset the device to exit bootloader mode.

Troubleshooting

  • Ensure esptool is installed correctly and accessible in your PATH.
  • Verify the correct serial port is used.
  • For detailed instructions, refer to the Meshtastic CLI Flashing Guide.

Flashing Meshtastic Firmware: No-Code Path

Prerequisites

  • Web Browser: Chromium-based (e.g., Chrome, Edge)
  • USB Cable: Appropriate for your device
  • Meshtastic Device: Ensure the antenna is connected before powering on

Steps

  1. Access the Web Flasher

  2. Select Target Device

    • Click on "Select Target Device" and choose your specific device model from the dropdown list.
  3. Choose Firmware Version

    • Click on "Select Firmware Version" and select the desired version (latest stable is recommended).
  4. Connect Device

    • Connect your Meshtastic device to your computer via USB.
    • Ensure the device is in bootloader mode:
      • For devices with a reset button: Press the reset button twice quickly.
      • For devices without a reset button: Consult your device's manual.
  5. Initiate Flashing

    • Click the "Flash" button.
    • A prompt will appear to select the device; choose your Meshtastic device from the list.
    • The flashing process will begin and may take a few minutes.
  6. Completion

    • Once flashing is complete, a success message will appear.
    • Disconnect your device safely.

Troubleshooting

  • If the device isn't recognized, ensure drivers are installed and the device is in bootloader mode.
  • For detailed instructions, refer to the Meshtastic Flashing Guide.
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