Please follow the steps below to perform a formal product firmware update:

1. Begin by downloading the most recent firmware file, titled RIFLE_SCOPE_FWUPDATE_V1.bin. Once downloaded, proceed to copy and paste this file onto an SD card.

2. Prior to inserting the SD card into the scope, ensure that the device is powered off.

3. After inserting the SD card into the scope, proceed to power it on. Upon activation, a firmware update window will appear. Employ the scroll wheel to select the option labeled 'Y' and subsequently press the wheel to initiate the update process.

4. Please allow for an approximate duration of 20-50 seconds for the automatic restart to complete. Once the update has concluded, the latest firmware file present on the micro SD card will be automatically removed.