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
Launch Chrome, Safari, or Firefox and type 192.168.1.1 into the address bar. zte f6640 password
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. Some ISPs use user / user for limited
192.168.1.1 (most common) or 192.168.0.1 . Default Username: admin . Default Password: admin . zte f6640 password