Introduction
The Telekom Speedport Smart 4 is a high-performance Wi-Fi 6 router designed for fast, intelligent, and seamless home networking. It integrates Smart Mesh-WLAN technology and a DECT base station, making it an ideal central hub for your digital home. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Speedport Smart 4 router.
Key features include:
- Wi-Fi 6 (IEEE 802.11ax): Delivers speeds up to 6000 Mbit/s for multiple simultaneous device connections.
- Mesh Wi-Fi: Ensures comprehensive and stable Wi-Fi coverage throughout your home.
- Integrated SmartHome Base: Compatible with Magenta SmartHome devices.
- DECT Base Station: Supports cordless telephony.
- OLED Display: Provides status and support information.
- Multiple Connectivity Options: Supports DSL, Fiber, and various LAN ports.
Setup
Package Contents
Before you begin, ensure all items are present:
- Telekom Speedport Smart 4 Router
- Power Adapter
- DSL Cable (for IP-based connection, approx. 4.25 m)
- Network Cable (approx. 1.5 m)
- Fiber Optic Connection Cable (approx. 1.5 m)
- Quick Start User Manual
- Stand for vertical placement
Connecting Your Router
- Positioning: Place the Speedport Smart 4 in a central location in your home, away from large metal objects or other electronic devices that might cause interference.
- Connect to Internet:
- For DSL connection, connect the DSL cable from your wall socket to the DSL port on the back of the router.
- For Fiber Optic connection, connect the fiber optic cable from your fiber optic termination unit to the Fiber Optic port on the back of the router.
- Connect Power: Plug the power adapter into the router's power input and then into an electrical outlet. The router will begin to power on.
- Initial Setup: Follow the instructions displayed on the router's OLED screen for initial configuration. The display will guide you through the setup process.
- Connect Devices (Optional):
- For wired devices, use the provided network cable to connect your computer or other devices to one of the Gigabit LAN ports.
- For wireless devices, use the Wi-Fi network name (SSID) and password found on the router's label or in the quick start guide. You can also use NFC (Near Field Communication) for easy smartphone connection by tapping your NFC-enabled smartphone near the router.

Image: Front view of the Telekom Speedport Smart 4 router, showing the OLED display and control buttons.

Image: Rear view of the Speedport Smart 4 router, highlighting the various connection ports including DSL, Fiber, LAN, USB, and TAE (a/b-Port).
Operating Instructions
Wi-Fi Connectivity
- Wi-Fi 6 (802.11ax): The router supports the latest Wi-Fi 6 standard, providing higher speeds and better performance, especially in environments with many connected devices. It operates on both 2.4 GHz and 5 GHz bands simultaneously.
- Mesh Wi-Fi: The Speedport Smart 4 features Mesh technology to create a unified and seamless Wi-Fi network. This ensures strong signal coverage in all rooms. You can expand your Mesh network by adding up to 5 additional Mesh points, such as Speed Home WiFi devices.
- Guest Wi-Fi: To provide internet access for guests without sharing your main network password, activate the Guest Wi-Fi function. You can easily share access via a QR code displayed on the router's OLED screen.
- WPS Button: Use the WPS (Wi-Fi Protected Setup) button on the router to quickly connect compatible devices to your Wi-Fi network without entering the password.

Image: Diagram illustrating how the Speedport Smart 4 creates a Mesh Wi-Fi network throughout a multi-story home, ensuring coverage in all areas.
Wired Connections
The router offers various ports for wired devices:
- LAN Ports: 3 Gigabit LAN ports are available for connecting devices like computers, smart TVs, or gaming consoles. An optional 2.5 Gigabit LAN port may also be present for ultra-fast wired connections.
- USB 2.0 Port: This port can be used for connecting external storage devices or other USB peripherals.
Telephony and SmartHome
- Integrated DECT Base Station: The Speedport Smart 4 includes a DECT base station, allowing you to connect up to 5 cordless DECT phones directly to the router for IP-based telephony.
- Magenta SmartHome: The router has an integrated Magenta SmartHome base, enabling you to connect and control compatible smart home devices for enhanced convenience, security, and energy efficiency.
- MagentaTV Support: The router is optimized for MagentaTV, supporting UHD and 4K video streams for a high-quality entertainment experience.

Image: An overview of the Speedport Smart 4's key features, including Wi-Fi 6, DSL/VDSL Supervectoring, OLED display, Mesh Wi-Fi, IP telephony, MagentaTV, and Magenta SmartHome Pro functionality.
Maintenance
General Care
- Cleaning: Regularly clean the router's exterior with a soft, dry cloth. Avoid using liquid cleaners or abrasive materials. Ensure ventilation openings are free from dust.
- Firmware Updates: Keep your router's firmware updated to ensure optimal performance, security, and access to the latest features. Firmware updates are typically managed automatically or can be initiated via the router's web interface.
- Environmental Considerations: The Speedport Smart 4 is designed with sustainability in mind. Its casing is made from approximately 100% recycled plastic, and the packaging is plastic-free, using recycled materials and vegetable oil-based inks. Proper disposal at the end of its lifecycle contributes to environmental protection.
Troubleshooting
Common Issues and Solutions
- No Internet Connection:
- Check all cable connections (DSL/Fiber, LAN, power) to ensure they are securely plugged in.
- Observe the router's OLED display for status indicators. It provides information on connection status and potential errors.
- Restart the router by unplugging the power adapter, waiting 10 seconds, and plugging it back in.
- If the connection to the telephone server is interrupted, the router will automatically attempt to re-establish it. This process may take a few minutes.
- Slow Wi-Fi Speed or Poor Coverage:
- Ensure the router is centrally located and not obstructed by large objects.
- Consider adding Speed Home WiFi Mesh points to extend coverage in larger homes.
- Check for interference from other electronic devices (e.g., microwaves, cordless phones).
- Verify that your devices support Wi-Fi 6 for optimal performance.
- Accessing Router Settings:
- Open a web browser on a device connected to the router and enter
speedport.ipor192.168.2.1in the address bar. - Log in using the device password found on the router's label or in your quick start guide.
- Open a web browser on a device connected to the router and enter
Specifications
| Feature | Detail |
|---|---|
| Model Number | 40896157 |
| Dimensions (L x W x H) | 7.5 x 28.4 x 18 cm |
| Weight | 735 grams |
| WLAN Standards | IEEE 802.11ax (Wi-Fi 6), backward compatible with 802.11 b/g/n/ac |
| WLAN Frequencies | 2.4 GHz and 5 GHz (simultaneous dual-band) |
| Max WLAN Speed | Up to 6000 Mbit/s |
| Max Fiber Speed | Up to 2000 Mbit/s |
| Max DSL/VDSL Speed | Up to 250 Mbit/s (with Supervectoring) |
| LAN Ports | 3 x Gigabit Ethernet, 1 x optional 2.5 Gigabit Ethernet |
| Other Ports | 1 x DSL, 1 x Fiber Optic, 1 x USB 2.0, 1 x TAE (a/b-Port) for analog phones |
| Security | WPA2 / WPA3 encryption |
| Integrated Features | DECT Base Station, SmartHome Base, OLED Display, NFC |
| Sustainability | Casing from ~100% recycled plastic, plastic-free packaging with recycled material and vegetable oil-based inks |
Warranty Information
Warranty terms and conditions for the Telekom Speedport Smart 4 router are typically provided with your purchase documentation or can be found on the official Telekom website. Please refer to these resources for detailed information regarding warranty coverage, duration, and claims procedures.
Support
For further assistance with your Telekom Speedport Smart 4 router, please consider the following resources:
- Quick Start Guide: Refer to the printed quick start guide included in your product package for initial setup and basic troubleshooting.
- Online Web Interface: Access the router's web interface at
speedport.ipor192.168.2.1for advanced settings, diagnostics, and status information. - Telekom Customer Support: For technical issues or inquiries not covered in this manual, please contact Telekom customer support through their official website or designated support channels.