The firmware installs as:

1.3.8 - ANT5000 1.0 - Fri 28 Aug 10:15:57 BST 2026


In your version information, there will be additional information displayed after the date. 
This is not related to the firmware version ID.

The update file information, as shown in the Windows Command Prompt, is:

01/09/2026  10:14       467,368,448 encoder-system-1.3.8-sw.img

This information, along with the checksum file, can be used to confirm that you have the correct update file.