ZTE 80 1a router has no service.

The ZTE 80 1a router is out of service for the following reasons.

1. Check whether the signal at the end of the router connected to the optical cat is normal and whether the optical cat access signal is normal.

2. Check whether the Internet account of the router is filled in correctly, and whether the router setting interface prompts normal Internet access. You can try to reset the router and re-enter the account password.