Use a ZTE unlock tool or service to get your NCK code.
Look at the sticker on the back of the router or log in to the web dashboard (usually 192.168.0.1 ) to find the 15-digit IMEI.
The (e.g., Telstra, Orange, Cricket Wireless)
There are three primary ways to unlock a ZTE router. The best method depends on your technical skill and the specific model of your device. 1. Official IMEI Unlock Codes
Often requires a small fee from a third-party service. 2. Firmware Flashing Tools