1. Download the GlassUpgrader.zip and extract it to your PC.
The zip file above is the update tool. The list is as follows:

2. Install the driver
Check the operating system of your laptop and select the system driver to install.

To view the operating system of the computer: right-click on the desktop of the computer “This PC” -> “Properties” -> “About”.

For example, the above screenshot shows Windows 10 64-bit operating system, select “dpinst_amd64.exe” in the “Win10” driver folder to install the driver.

3. Update firmware
3.1 Double click "DfuSeDemo" to open the tool.

3.2 Click “Choose a Firmware to download” to select Firmware file for the corresponding model
Firmware Files
Air 3s: taurus2p0_20250218.dfu
Air 2s: taurus1p5_20250303.dfu
Air 2: taurus_20231107.dfu

3.3 Connect the glasses to the laptop's Type C port, Available GP Device will show “GP Device (Normal Mode)”.

3.4 Click “Switch to Download Mode”, after detecting the glasses download mode, upgrade will become available, click “Upgrade”, then click “Yes” to confirm the upgrade.


3.5 When the upgrade is complete, you can see that 100% is displayed.

Note: The screen will flicker a bit when the computer recognizes the glasses or switches to download mode, this is normal.