Close any active VPN networks. Add the Dongle Manager directory to your Windows Firewall exception list. Retry during off-peak hours. Error: "Card is Blocked"
The Role of CM2 Dongle Manager 1.81 in Mobile Software Repair Introduction
: The tool provides device diagnostics and guided actions to resolve "Dongle not found" errors or firmware version conflicts. How to Use CM2 Dongle Manager 1.81
: Registers new dongles to the Infinity database.
As of 2026, version 1.81 is considered a . Newer versions (2.0 and above) have been released, but 1.81 remains in use for specific reasons:
: Tests the read/write speeds of the card reader. Technical Specifications Requirement Specification Software Name Infinity Dongle Manager / CM2 Manager Version File Size Approx. 3.5 MB – 5 MB Developer Infinity-Box Team Supported OS Windows 7, 8, 10, 11 (32-bit & 64-bit) Interface USB 2.0 / USB 3.0 Step-by-Step Installation Guide
Wait 30 minutes for the automated server lock to cool down. Open Dongle Manager 1.81, select the recovery option, and run the update process again on a stable internet connection. 3. Error: "Server connection failed"