[Firmware Update] DR490L-2CH Firmware v1.1.306

Dear BlackVue User,
A new firmware for DR490L-2CH (version 1.1.306) is now available. Please check below for details.


  • BlackVue DR490L-2CH (Dual Full HD LCD Dashcam)


  • Turn Event recording sound alert beep ON / OFF with the new BlackVue Viewer (requires BlackVue Viewer version 1.09 and up).
    IMPORTANT: this setting is only available through the BlackVue Viewer and does not appear in the menus accessible in the dashcam’s LCD screen.
  • Japan-specific update: when language is set to Japanese, the front camera will automatically record at 29.5fps (to prevent in-video flickering of LED traffic lights).


[Firmware Upgrade Guide]

  1. Visit the BlackVue Downloads page at
  2. On the Downloads page, download the latest firmware for your BlackVue DR490L-2CH dashcam.
  3. Unzip the downloaded firmware (zip file).

※ CAUTION: The next step will ask you to format the microSD card. Before doing so, please backup any files present on the microSD card, as the formatting will erase them.

  1. Insert the BlackVue microSD card into your computer and format it (FAT32 format).
  2. Copy the file “bb_dr490l-2ch.bin” to the formatted microSD card.
  3. Insert the microSD card into the dashcam and turn it on to start applying the upgrade.
  4. Once the upgrade is applied, a screen will prompt you to format the microSD card. Confirm to proceed.
  5. After completing the microSD card formatting step, your BlackVue will boot up and start recording.


※ The microSD card must be formatted in FAT32 format (Note: the BlackVue Viewer formats in FAT32 format).

※ After upgrading the firmware, please use the latest version of the BlackVue Viewer to ensure compatibility.


For support, visit our Help Center.

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