1. In File explorer go to the path below.
for 32bit - C:\Program Files (x86)\BioStar 2\firmware
for 64bit - C:\Program Files\BioStar 2(x64)\firmware
2. Copy and paste the provided firmware file into this folder.
3. Log in to BioStar 2.
4. In DEVICE menu check the device you want to upgrade and click Firmware Upgrade.
5.Click on the desired firmware version to start the upgrade.
6.Wait for the device to upgrade and restart.
Note: If a hotfix version of firmware is based on same version of the recent firmware, you will not be able to distinguish it on the Firmware Upgrade popup. In this case, delete or move the older firmware file to another folder avoid confusion.
If you want to update multiple devices at the same time, refer to the article: How to batch upgrade devices