Zte F6640 Password ((new)) Here

Like most ZTE GPON ONT (Optical Network Terminal) devices, the F6640 comes with factory-set credentials. These are used to access the router's web interface for the first time.

Use the default username and password mentioned above. If they don't work, check the physical label on your device. Changing the Admin Login Password

192.168.1.1 (most common) or 192.168.0.1 . Default Username: admin . Default Password: admin . zte f6640 password

For better security, you should change the default "admin" password to a custom one:

To change your password, you must first enter the Admin Login Page : Like most ZTE GPON ONT (Optical Network Terminal)

Launch Chrome, Safari, or Firefox and type 192.168.1.1 into the address bar.

Plug an Ethernet cable into your laptop or connect via Wi-Fi to the router's current SSID. If they don't work, check the physical label on your device

Some ISPs use user / user for limited access or unique codes printed on the sticker at the bottom of the router. How to Login to the ZTE F6640 Admin Panel