Unlock Your Device

A flasher tool for firmware on your LoRa mesh radio device.
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Your browser doesn't support the Web Serial API. You can still select and download firmware here, but direct flashing requires Chrome, Edge, or Opera on desktop.

Before flashing, make sure to backup your device configuration. Flashing new firmware may reset your settings, and erasing the device will delete all stored data including your Device identity.

ESP32 Devices — How to Flash
  • First-time installation: Use the merged firmware file. For firmware updates on previously flashed devices, merged firmware is not required.
  • After flashing: Press the RST (reset) button on your device to boot into the new firmware.
  1. Select a firmware version from the dropdown
  2. Choose your device type (ESP32)
  3. Choose your language
  4. Or upload your own firmware file (.bin)
  5. For first-time installation, use the merged firmware file
  6. Check "Erase device" if this is a first-time flash
  7. Click "Flash Device" and grant serial port access
  8. Wait for flashing to complete — do not disconnect
  9. Press the RST (reset) button on your device
nRF52 Devices — How to Flash

For nRF52 devices first-time installation, you must erase the device before flashing firmware:

After erasing, you can then flash your firmware.

  1. First-time only: Flash the appropriate FLASH_ERASE file (v6 or v7)
  2. Select a firmware version from the dropdown
  3. Choose your device type (nRF52)
  4. Or upload your own firmware file (.zip)
  5. Click "Enter DFU Mode" and select your device
  6. Click "Flash Device"
  7. Wait for flashing to complete — do not disconnect
Select Firmware
OR
Drop file or click to browse (.zip / .bin)

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