: The Update Card Counter feature refreshes the internal security counter of the smart card, which is often required after a long period of inactivity or when the software prompts a "Please use Card Manager to Update" error.

: Temporarily disable any active antivirus or Windows Defender, as they may flag the card manager executable as a false positive.

: Before downloading or installing, temporarily turn off your antivirus or Windows Defender, as these tools are often flagged incorrectly. Connect Hardware

You will need to disable Driver Signature Enforcement on Windows 8/10/11, as UMT uses custom USB drivers.

The tool is essential for mobile servicing professionals to keep their dongle hardware synced with the latest software updates.