If admin/admin does not work, it is likely because the ISP changed the default credentials upon installation. Try these alternatives:
Many users confuse the with the older F663N or F663NV9 . password zte f663nv3a
Warning: A factory reset deletes all custom configurations, including your custom Wi-Fi name, password, and port forwarding rules. Troubleshooting Login Issues If admin/admin does not work, it is likely
. Depending on the firmware provided by your Internet Service Provider (ISP), the following credentials are most common: Superadmin Access (Full Control): superadmin supportadmin (sometimes spelled suportadmin in certain regional firmwares). Standard User Access: Alternative General Defaults: Managing Wi-Fi and Admin Passwords Troubleshooting Login Issues
: Connect via Wi-Fi. Locate the default wireless name (SSID) and security key on the physical label on the bottom of the modem. Step 2: Navigate to the Gateway IP