DC-Unlocker is perhaps the most famous universal tool for data cards and routers. It detects the device via USB and performs the unlock through a user-friendly interface.

Supports a massive range of ZTE models; fast execution.

Use a ZTE unlock tool or service to get your NCK code.

Many websites offer "free" versions of paid tools. These are frequently bundled with malware or viruses that can infect your computer.

Switch between providers like AT&T, T-Mobile, Vodafone, or local prepaid SIMs when traveling.