In this guide, we’ll cover what this tool does, which devices it supports, and how you can safely use it to free your modem. What is GSM Multi-Hub Modem Unlocker?

Launch the software to retrieve the IMEI number. Some users prefer to find this on the physical label of the modem itself.

If you are technical, connect your modem in "Serial Mode" (via PuTTY or HyperTerminal) and send AT commands:

: Improperly unlocking a device can occasionally lead to "bricking" (making the device unusable) or voiding the manufacturer's warranty.

Some advanced unlockers require you to enter your modem's IMEI into the tool so it can calculate the code. However, malicious versions of these tools are actually IMEI harvesters. The software sends your unique IMEI to a remote server, where it is cloned onto stolen devices. If someone uses your IMEI on a criminal network, your modem may be blacklisted permanently by national telecom authorities.

Attempting to modify a device's firmware with unofficial tools can lead to "bricking," a state where the hardware becomes permanently non-functional and cannot be repaired.

If you are trying to unlock a modem today, the safest routes are: Carrier Request