ZTE K12 4G CPE Router User Manual

1. Introducció

The ZTE K12 is a high-performance 4G LTE Cat4 CPE router designed to provide fast and stable internet connectivity. It supports 4G download speeds of up to 150Mbps and features dual Wi-Fi 6 antennas for wireless speeds up to 574Mbps, making it suitable for demanding applications like 4K streaming and online gaming. The device offers dual connectivity modes, allowing seamless switching between wireless Wi-Fi and wired broadband via its Ethernet port, with automatic failover for uninterrupted service. The K12 is an unlocked device, compatible with global networks, and supports English language interfaces.

Característiques principals:

• Wi-Fi 6 Ultra-Fast Connectivity: Experience speeds up to 574Mbps.
• Data and Voice Service: Supports simultaneous 4G voice calls and data access using VoLTE/VoIP technology.
• 32-Device Multi-Connection: Connects up to 32 devices simultaneously with stable performance.
• 4G Download Speeds: Up to 150Mbps for rapid downloads and smooth browsing.
• Connectivitat dual: Seamlessly switch between wireless Wi-Fi and wired broadband.
• Dual Omnidirectional Antennas: Provides 360° full coverage, expanding range and eliminating dead zones.

2. Guia de configuració

Follow these steps to set up your ZTE K12 4G CPE Router:

1. Insereix la targeta SIM: Locate the SIM card slot on the device. Carefully insert your 4FF (Nano-SIM) card into the slot until it clicks into place. Ensure the SIM card is correctly oriented.



2. Connectar l'alimentació: Connect the provided power adapter to the DC12V power port on the back of the router and plug it into a power outlet.
3. Encès: Press the Power button to turn on the router. The Power LED indicator should light up.
4. Network Connection (Optional Wired): If you prefer a wired connection, connect an Ethernet cable from one of the RJ45 LAN ports on the router to your computer or other network device.



5. Wi-Fi Connection (Wireless):
   • Al dispositiu (telèfon intel·ligent, ordinador portàtil, etc.), cerca les xarxes Wi-Fi disponibles.
   • Select the Wi-Fi network name (SSID) corresponding to your ZTE K12 router (usually found on a label on the device or packaging).
   • Enter the Wi-Fi password (usually found on the same label).
6. Configuració inicial: Obre a web browser and navigate to the router's default IP address (e.g., 192.168.0.1 or 192.168.1.1). Log in using the default username and password (also typically found on the label). Follow the on-screen instructions to configure your network settings, including changing the default Wi-Fi name and password for security.
7. Aplicació ZTE Smart Life: For convenient management, download the ZTE Smart Life App from your device's app store. Use the app to monitor data usage, optimize settings, and control your network.

3. Instruccions de funcionament

Indicadors LED:

• LED d'alimentació: Indica l'estat d'alimentació del dispositiu.
• LED Wi-Fi: Indica l'estat de la xarxa Wi-Fi.
• LED de xarxa: Indicates the status of the 4G LTE network connection.

Dispositius de connexió:

The ZTE K12 can support up to 32 devices simultaneously. Connect your devices using either Wi-Fi or Ethernet:

• Wi-Fi: Cerca the router's SSID on your device and enter the password.
• Ethernet: Plug an Ethernet cable from your device into one of the available LAN ports on the router.

Funcionament en mode dual:

The router supports both 4G LTE (wireless) and wired broadband connections. If a wired broadband connection is established via the WAN/LAN port, the router can automatically switch to it, providing failover for continuous internet access. This ensures reliability even if one connection type becomes unavailable.

Trucades de veu:

Utilizing VoLTE/VoIP technology, the K12 allows you to make voice calls simultaneously while accessing the internet through the 4G network. Connect a compatible phone to the RJ11 (Fxs) port if available and configured.

Funció WPS:

The WPS (Wi-Fi Protected Setup) button allows for easy and secure connection of WPS-compatible devices without needing to enter the Wi-Fi password manually. Press the WPS button on the router and then activate WPS on your client device within two minutes.

4. Manteniment

To ensure optimal performance and longevity of your ZTE K12 router, consider the following maintenance tips:

• Col·locació: Place the router in a central location, away from obstructions, large metal objects, and other electronic devices that may cause interference. Ensure good ventilation to prevent overheating.
• Neteja: Mantingueu el dispositiu net i lliure de pols. Feu servir un drap suau i sec per netejar l'exterior. No utilitzeu netejadors líquids ni aerosols.
• Actualitzacions de firmware: Regularly check for and install firmware updates (FOTA - Firmware Over-The-Air) through the ZTE Smart Life App or the web interface. Updates can improve performance, add new features, and enhance security.
• Reiniciant: If you experience network issues, try restarting the router by unplugging it from the power source for 10-15 seconds and then plugging it back in.
• Restablir: In case of persistent issues or if you forget your login credentials, you can perform a factory reset using the Reset button. Note that a factory reset will erase all custom settings, and the router will revert to its default configuration.

5. Solució De Problemes

If you encounter problems with your ZTE K12 router, refer to the following common troubleshooting steps:

• Sense connexió a Internet:
  • Check if the Power and Network LEDs are lit.
  • Assegureu-vos que la targeta SIM estigui inserida correctament i que estigui activa amb un pla de dades.
  • Verify that the router is placed in an area with good 4G signal reception.
  • Reinicieu el router i els dispositius connectats.
  • Comproveu el router web interface or ZTE Smart Life App for network status and error messages.
• Velocitat Wi-Fi lenta:
  • Assegureu-vos que els vostres dispositius estiguin dins de l'abast òptim del router.
  • Reduïu les interferències allunyant el router d'altres aparells electrònics.
  • Check if too many devices are connected simultaneously.
  • Update the router's firmware.
  • Test the internet speed directly via an Ethernet connection to determine if the issue is with the Wi-Fi or the internet service itself.
• No es pot connectar a Wi-Fi:
  • Verifiqueu que esteu introduint la contrasenya Wi-Fi correcta.
  • Ensure the Wi-Fi function is enabled on the router (check Wi-Fi LED).
  • Prova de reiniciar el router.
  • If using WPS, ensure both devices are activated within the time limit.
• Web Interface Inaccessible:
  • Ensure your device is connected to the router's network (either Wi-Fi or Ethernet).
  • Verify you are using the correct IP address for the router.
  • Esborra la memòria cau del navegador o prova un altre navegador.
  • If you forgot the login credentials, a factory reset may be necessary (see Maintenance section).

6. Especificacions

7. Consells d'usuari

To maximize your experience with the ZTE K12 router, consider these user tips:

• Optimal SIM Card Selection: Ensure your SIM card has a strong 4G signal in your area for the best performance. Different carriers may offer varying coverage and speeds.
• Orientació de l'antena: While the antennas are omnidirectional, slight adjustments to the router's position or orientation can sometimes improve signal strength, especially in areas with weaker reception.
• Assegura la teva xarxa: Always change the default Wi-Fi name (SSID) and password, as well as the router's administration password, immediately after setup to prevent unauthorized access.
• Utilitza l'aplicació: The ZTE Smart Life App provides a convenient way to manage your network, monitor data usage, and troubleshoot minor issues without needing to access the web interfície.
• Consider Wired Connections for Critical Devices: For devices that require the most stable and fastest connection (e.g., gaming consoles, desktop PCs for large file transfers), use an Ethernet cable to connect them directly to the router.

8. Garantia i Suport

For warranty information, please refer to the documentation provided with your purchase or contact your retailer. ZTE provides ongoing support for its products, including firmware updates (FOTA) to enhance performance and security.

For technical assistance, troubleshooting beyond this manual, or to inquire about warranty claims, please contact the official ZTE support channels or your product vendor. The ZTE Smart Life App can also be a valuable resource for managing your device and accessing support features.