Never unplug your modem or let your laptop battery die while an unlocking tool is actively flashing the firmware. Interrupting this process can "brick" your device, turning it into an unfixable piece of plastic.
Click the Unlocking tab within the software interface and select Unlock . Keep the device securely connected; disconnecting the device mid-process can permanently damage the firmware.
The default username is often admin , and the password is admin or a variation thereof.
Locate the 15-digit IMEI number on the back of the modem, under the battery, or on the box. zte modem unlock tool
DC-Unlocker is widely considered the most reliable tool for ZTE devices because it detects and unlocks the modem automatically via USB. Install the ZTE modem drivers and firmware on your PC.
These are desktop applications (often Windows-only) that calculate the unique 8-to-16-digit unlock code based on the modem’s IMEI number. They exploit known algorithms or leaked carrier databases. Examples include:
As of 2025, only a few professional tools (e.g., , Medusa Pro ) can unlock ZTE 5G modems, and they cost $200+ for the hardware. Free tools for 5G ZTE modems are virtually nonexistent and almost certainly scams. Never unplug your modem or let your laptop
Ensure your computer has the official installed so it can communicate with the hardware. Phase 2: The Unlock Process (Web UI Method) Insert the non-accepted SIM card into your ZTE modem.
: Developers have shared open-source utility kits for ZTE modems, such as zte_modem_tools
This is the simplest and safest method. Every modem has a unique 15-digit International Mobile Equipment Identity (IMEI) number. Keep the device securely connected; disconnecting the device
Not all tools are created equal. Based on community feedback from forums like XDA Developers and 4G World, here are the safest options.
Open your chosen unlock tool (e.g., DC-Unlocker or a free code calculator). Select the correct COM port. Click "Read Info." The tool will display: