A "repack" typically refers to a software package that has been compressed or pre-configured for easier installation. In the context of MiFi tools, a repack might include:

To help you find the correct and safest tool, could you tell me:

: The MiFi is connected to a laptop via USB, which assigns it a specific COM port.

The "1400" designation typically refers to a specific build or feature set that supports newer LTE Cat6, Cat12, and early 5G hotspots.