This report covers the default credentials and management procedures for the ZTE ZXHN F663NV3A Optical Network Terminal (ONT). Default Login Credentials
For most ZTE devices, including the F663NV3A, you can find unique default credentials on a sticker located on the bottom or back of the physical unit. However, the most common standard defaults used globally for this specific series are: Account Type Standard Admin admin admin ISP Admin (Superuser) admin telkom@123 (common for certain ISPs) Web Access user user Network Access Details To access the management interface, follow these steps: IP Address: Open a web browser and enter 192.168.1.1. Alternative URL: Some models respond to http://setup.ZTE.
Connectivity: Ensure your computer or mobile device is connected via Ethernet cable or to the device's default Wi-Fi network before attempting to log in. Password Management Procedures
If the default passwords do not work or if you need to secure your device, follow these protocols: Changing Admin/Wi-Fi Passwords: Log in to the web interface at 192.168.1.1.
To change the Admin login: Go to the Management or Administration tab → User Management.
To change the Wi-Fi password: Navigate to Local Network → WLAN → WLAN SSID Configuration. Factory Reset:
If you have forgotten a custom password, locate the small Reset button on the back/side of the router.
Use a paperclip to press and hold the button for approximately 10 seconds.
This will restore all settings, including the password, to the defaults printed on the device label. Security Recommendations
How to Reset and Recover Your ZTE Router Password - Expert Q&A
The default login credentials for the ZTE F663NV3A router typically depend on the access level you need. Super Admin Access: Username: superadmin Password: supportadmin (sometimes spelled suportadmin) Standard User Access: Username: user Password: User.321
If these do not work, check the physical sticker on the bottom or back of your device, as many modern units use unique, pre-configured passwords. For most settings, you can access the interface by entering 192.168.1.1 in your web browser. Key Feature: Parental Controls
A standout feature of this model is its Parental Control system, which allows you to manage how and when devices on your network access the internet.
Time Scheduling: You can set specific "internet-off" times (e.g., during homework or bedtime) for individual devices.
URL Filtering: This lets you block specific websites or restrict access to certain categories of content, helping to keep younger users safe while online. password zte f663nv3a
Device Management: You can see a list of every device currently connected and instantly "blacklist" or disconnect any unauthorized or unwanted guests. How do I change my WiFi password - PLDT Home
Everything You Need to Know About the ZTE F663NV3A Password
Setting up or securing your home network often starts with finding the right credentials for your router. If you are using the ZTE F663NV3A
, a common GPON Optical Network Terminal (ONT), you might need to access its settings to change your Wi-Fi name, update security protocols, or troubleshoot connection issues.
This guide covers everything from default login details to changing your Wi-Fi password and what to do if you get locked out. Default Login Credentials for ZTE F663NV3A
Most ZTE routers come with a standard set of default credentials. For the
model, there are typically two levels of access: a standard user account and a "Superadmin" account that provides full control over the device. Default IP Address: 192.168.1.1 Standard User Credentials: Username: user Password: user (or sometimes User.321) Superadmin Credentials (Full Access): Username: superadmin
Password: supportadmin (sometimes spelled suportadmin in specific firmware versions)
Alternative Default: Many ZTE devices also use admin / admin for both fields. How to Login to the Admin Panel To access the configuration page, follow these steps:
Connect Your Device: Ensure your computer or smartphone is connected to the router via an Ethernet cable or Wi-Fi.
Open a Browser: Launch any web browser (Chrome, Firefox, or Safari) and type 192.168.1.1 into the address bar.
Enter Credentials: When the login page appears, enter the username and password from the list above. If these don't work, check the sticker on the bottom of your router for ISP-specific details. ZTE F663NV3A Login Credentials | PDF | Business - Scribd
The default login credentials for the ZTE F663NV3A Go to product viewer dialog for this item.
router typically depend on whether you need full administrator access or basic user settings. Default Credentials Superadmin (Full Access): Username: superadmin Password: supportadmin (Note the single 'p') Basic User: Username: user Password: User.321 Alternative Credentials This report covers the default credentials and management
If the above combinations do not work, try these common defaults used for ZTE devices: Username: admin | Password: admin Username: admin | Password: 1234
Physical Label: Check the sticker on the bottom or back of your specific router for a unique pre-configured password. How to Access the Login Page
Connect your device to the router via Wi-Fi or an Ethernet cable.
Open a web browser and enter the IP address 192.168.1.1 (or sometimes 192.168.0.1) in the address bar. Enter the credentials provided above to log in. Changing the Password Once logged in, you can update your security settings:
To change the Wi-Fi password: Navigate to Network > WLAN > WLAN SSID Configuration. Update the "WPA Passphrase" and click Submit or Apply.
To change the admin login: Go to Administration (or Management & Diagnosis) > User Management (or Account Management).
Accessing the management interface of the ZTE F663NV3A ONT requires specific credentials depending on whether you need basic user access or full administrative control. Default Login Credentials Account Type Super Admin superadmin suportadmin Alternative Admin Client/Standard User Network Admin superadmin superadmin Connection & Configuration Guide Network Access : Connect your device to the ONT via Ethernet or Wi-Fi. Access URL : Open a web browser and enter the default IP address: 192.168.1.1 : Use the credentials provided above. The Super Admin
account is typically required for advanced settings like port forwarding, bridge mode, or VOIP configuration. Credential Reset
: If the default passwords do not work, it is likely they were changed by your ISP. To restore them to factory defaults, press and hold the button on the back of the device for 10–15 seconds. Troubleshooting Case Sensitivity : Usernames and passwords are case-sensitive (e.g., must have a capital 'U').
: Some service providers (like SLT or certain regional ISPs) use custom firmware with unique passwords like Theworldinyourhand Security Recommendation : Once logged in, navigate to Administration > User Management
The ZTE F663NV3A Go to product viewer dialog for this item. is a high-performance Gigabit GPON Optical Network Terminal (ONT) commonly used in fiber-to-the-home (FTTH) deployments. Accessing its administrative interface is essential for managing your home network, from changing Wi-Fi credentials to configuring advanced security settings. 1. Default Login Credentials for ZTE F663NV3A
When you unbox a new device or perform a factory reset, you must use default credentials to log in. These vary depending on whether you need standard user access or full administrative privileges. Super Admin Access (Full Settings): Username: superadmin Password: supportadmin (or suportadmin) Standard User Access (Limited Settings): Username: user Password: User.321 or simply user Generic Defaults (If the above fail): Username: admin / Password: admin Username: root / Password: root
Pro Tip: Always check the physical sticker on the bottom or back of your specific unit. It typically lists the default SSID and a unique 10-character alphanumeric password for the initial Wi-Fi connection. 2. How to Access the Web Interface
To change your password or settings, follow these steps to log into the dashboard: Note: The Administrator account (usually admin / Admin123
Connect to the Network: Plug your computer into one of the LAN ports (GE or FE) using an Ethernet cable for the most stable connection. Alternatively, connect via the default Wi-Fi printed on the label.
Identify the Gateway IP: Open a web browser and type 192.168.1.1 into the address bar. This is the standard login address for most ZTE routers.
Enter Credentials: When the login page appears, enter the superadmin or user credentials mentioned above. 3. Changing the Wi-Fi Password
Once logged in, it is highly recommended to change your Wi-Fi password to secure your network:
Navigate to Wireless Settings: Go to the Network or WLAN menu.
Update SSID/Password: Find the fields for SSID Name (your network name) and WPA Passphrase. Apply and Restart: Click Save or Apply . Note that the
may require a manual restart via System Tools > Reboot to finalize changes. 4. Troubleshooting Login Failures
If the default passwords do not work, consider these common issues: ZTE Default Login - Username, Password and IP Address
For the ZTE F663NV3A router, the default login credentials depend on whether you need standard user access or full administrative (superadmin) control. Default Login Credentials Standard User Access: Username: user Password: User.321 or user Administrator (Superadmin) Access: Username: superadmin Password: suportadmin (Note the single 'p') General Defaults (try if the above fail): Username: admin Password: admin or 1234 How to Find Your Specific Password If the common defaults do not work, check these locations: ZTE Default Login - Username, Password and IP Address
ISPs often customize these credentials. Below are the most common combinations that work for the F663NV3a out of the box.
| User Role | Username | Password | Common For |
| :--- | :--- | :--- | :--- |
| User | user | user | Most ISPs |
| User | user | @lCl#7v8 | Telmex (Mexico) |
| User | user | Zte123 | Generic / Other ISPs |
Note: The Administrator account (usually
admin/Admin123orroot/Zte521) is often blocked or changed by your Internet Service Provider. Theuseraccount gives you access to basic WiFi, reboot, and status settings.
To prevent unauthorized users from changing your settings, you should change the device login password.
Note: This gives you "User" access, which allows you to see basic stats but usually locks you out of advanced Wi-Fi and security settings.