1. Introduction
The MAG 520w3 is a powerful Linux-based IPTV/OTT set-top box designed for seamless multimedia streaming. Featuring a robust ARM Cortex-A53 processor and Amlogic S905X2 chipset, it delivers exceptional 4K content playback at 60 frames per second. With integrated 2.4 and 5 GHz Wi-Fi, two USB inputs, and Dolby Digital Plus™ support, the MAG 520w3 provides a comprehensive entertainment experience.
Important Note: The STB only functions with Ministra v. 5.6.6 and above.
2. Package Contents
Please verify that all items are present in your package:
- MAG 520w3 Set-Top Box
- Remote Control
- Power Adapter (5V-2A)
- HDMI Cable
- User Manual (this document)

Image: Contents of the MAG 520w3 package, including the set-top box, remote, power adapter, and HDMI cable.
3. Setup
3.1 Connecting the Device
- Connect to TV: Insert one end of the provided HDMI cable into the HDMI port on the back of the MAG 520w3 and the other end into an available HDMI input on your television.
- Connect to Power: Plug the power adapter into the 5V-2A power input on the back of the set-top box, then plug the adapter into a wall outlet.
- Network Connection (Choose one):
- Wired (LAN): Connect an Ethernet cable from your router or network switch to the LAN port on the back of the MAG 520w3.
- Wireless (Wi-Fi): The MAG 520w3 has built-in 2.4 GHz and 5 GHz Wi-Fi. You will configure this during initial setup on screen.
- Connect Peripherals (Optional): Use the two USB ports (one USB 2.0, one USB 3.0) on the device to connect external storage or other compatible peripherals.

Image: Rear view of the MAG 520w3 showing the HDMI, LAN, and power input ports.

Image: Front view of the MAG 520w3 showing the two USB ports.
3.2 Initial Power-On
After connecting all necessary cables, turn on your television and select the correct HDMI input. The MAG 520w3 should power on automatically. Follow the on-screen instructions for initial setup, including language selection and network configuration (if using Wi-Fi).
4. Operating Instructions
4.1 Remote Control Overview
The included remote control allows you to navigate the MAG 520w3 interface and control playback. Familiarize yourself with the main buttons:
- Power Button: Turns the device on/off or puts it into standby.
- Navigation Buttons (Up, Down, Left, Right): Move through menus and options.
- OK Button: Confirms selections.
- Back/Return Button: Returns to the previous screen.
- Home Button: Returns to the main menu.
- Volume Up/Down: Adjusts audio volume.
- Channel Up/Down: Changes channels (if applicable).
- Numeric Keypad: For direct channel input or text entry.
- Media Playback Controls: Play, Pause, Stop, Fast Forward, Rewind.

Image: The remote control for the MAG 520w3 set-top box.
4.2 Basic Navigation and Features
Once powered on, you will see the main interface. Use the navigation buttons on your remote to browse through applications and settings. The MAG 520w3 is optimized for IPTV/OTT services, allowing you to access various streaming content. Its powerful hardware ensures smooth 4K video playback.
5. Troubleshooting
If you encounter issues with your MAG 520w3, refer to the following common problems and solutions:
- No Power:
- Ensure the power adapter is securely connected to the device and a working power outlet.
- Check if the power outlet is active.
- No Picture/Signal:
- Verify the HDMI cable is securely connected to both the MAG 520w3 and your TV.
- Ensure your TV is set to the correct HDMI input source.
- Try a different HDMI cable or TV port.
- Network Connection Issues:
- Wired: Check the Ethernet cable connection. Ensure your router is working correctly.
- Wireless: Go to network settings on the device and re-enter your Wi-Fi password. Ensure you are within range of your Wi-Fi router.
- Restart your router and the MAG 520w3.
- Application/Content Not Loading:
- Confirm your internet connection is stable.
- Crucial: Ensure your IPTV/OTT service uses Ministra v. 5.6.6 or above. Older versions are not compatible.
- Contact your service provider for content-specific issues.
- Remote Control Not Responding:
- Check and replace the batteries.
- Ensure there are no obstructions between the remote and the device.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | HB-DIGITAL |
| Model Name | MAG 520w3 |
| Color | Black |
| Product Type | Set-Top Box / Streaming Media Player |
| Processor | ARM Cortex-A53 (Amlogic S905X2 chipset) |
| RAM | 1 GB |
| Flash Memory | 4 GB |
| Resolution | 4K UHD (2160p) at 60 FPS |
| Video Codecs | HEVC H.265 Support |
| Audio Support | Dolby Digital Plus™ |
| Connectivity | Wi-Fi (2.4 & 5 GHz), Ethernet (LAN) |
| Ports | HDMI 2.0, 2x USB (1x USB 2.0, 1x USB 3.0), Power Input (5V-2A) |
| Operating System | Linux OS |
| Weight | 110 Grams |
7. Maintenance
To ensure the longevity and optimal performance of your MAG 520w3, follow these maintenance guidelines:
- Keep the device in a well-ventilated area to prevent overheating.
- Clean the exterior with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to open the device or perform repairs yourself, as this will void the warranty.
8. Warranty and Support
For warranty information, please refer to your purchase documentation or the retailer's terms and conditions. HB-DIGITAL provides customer support for their products.
Customer Support Contact:
Email: info@hb-digital.de
Phone: +49211545577
Operating Hours: Monday - Friday, 09:00 to 16:00 (CET)
Address: HB-DIGITAL GmbH, Wahlerstr. 16, 40472 Düsseldorf, Germany





