If you changed the default password and can't remember it, a factory reset is necessary to restore the default settings. How to change the ZTE LTE Device SSID and WiFi password
Elias took a breath. If he couldn't guess the password, he had to force a reset. But a full factory reset was a last resort. It would wipe the custom VLAN configurations that routed the telemetry data. Rebuilding that from scratch without Marcus’s notes would take hours they didn't have.
Most ZTE routers have default login information printed on a located on the back or bottom of the device. If the sticker is missing or unreadable, try these common defaults:
Resetting your ZTE login password isn’t complicated, but it is destructive to your settings. , then the serial number, and only reach for the paperclip as a last resort. Once you’re back in, secure your router with a new password—and this time, save it somewhere safe.