Scroll down to and click it 7 times until a notification says "You are now a developer."

The simplest and often most effective step is to restart your device. Unplug the power cord, wait for about 30 seconds, and then plug it back in. This can resolve many connectivity issues.

Change all three settings from 1x to or turn them Off entirely. Limit Background Processes

ZTE ZXV10 B820 series Go to product viewer dialog for this item. , specifically the Go to product viewer dialog for this item.

The ZTE box can get very hot. Heat makes it slow down and restart. Move it to an open space. Do not stack it on other electronics. Clean dust out of the vents. Use a small USB fan if it stays hot.

Confirm ISP outage using alternate modem or phone.