Search for a reputable "ZTE MF60 16-digit unlock code calculator" or use services like DirectUnlocks or IMEI.info . Enter your IMEI and pay the required fee. The service will email you the 16-digit NCK code. 3. Manual Entry via Web Interface

Unlike modern phones which require server-side unlocking, older 3G modems like the MF60 operated on a mathematical algorithm. The lock was essentially a math problem where the answer was derived from the device’s unique hardware identity: the

Input your 15-digit IMEI carefully into the calculator portal.

If you have your ready, you can start looking for reputable online IMEI unlock services that support ZTE. Many offer instant code generation.