Some ZTE routers have a hidden diagnostic page for SNR (Signal-to-Noise Ratio) and DSL line stats. Try:
Common ZTE defaults (may vary by ISP or model): zte 192 l.168.1.1
Yes. Connect your phone to the ZTE Wi-Fi, open any browser, and type 192.168.1.1 . The interface may be smaller, but it works. Some ZTE routers have a hidden diagnostic page
Many ZTE routers have a unique "Admin Password" printed on a sticker on the bottom or back of the device. 4. Basic Management Tasks Once logged in, you can typically find these settings: open any browser