Introduction
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Hisense 55-Inch Class U6 Series Mini-LED ULED 4K UHD Google Smart TV (Model: 55U6N). Please read this manual thoroughly before using your television to ensure proper and safe operation. Keep this manual for future reference.

Image: Front view of the Hisense 55-Inch U6 Series Mini-LED ULED 4K UHD Google Smart TV, showcasing its sleek design and vibrant display.
Safety Information
Always adhere to the following safety precautions to prevent electric shock, fire, or damage to the television:
- Do not expose the TV to rain or moisture.
- Do not open the cabinet. Refer servicing to qualified personnel only.
- Ensure proper ventilation. Do not block ventilation openings.
- Protect the power cord from being walked on or pinched.
- Unplug the TV during lightning storms or when unused for long periods.
What's in the Box
Verify that all components are present:
- Hisense 55U6N TV Unit
- Power Cable
- Remote Control (requires 2 AAA batteries, not included)
- TV Stand (2 pieces)
- Screws for Stand Assembly
- User Manual (this document)

Image: Illustration of the Hisense TV unit, power cable, remote control, and stand components included in the packaging.
Setup
Assembling the Stand
- Carefully place the TV screen-down on a soft, flat surface to prevent damage.
- Align the stand pieces with the corresponding slots on the bottom of the TV.
- Secure each stand piece with the provided screws. Ensure they are tightened firmly.
Connecting Peripherals
The Hisense 55U6N TV offers various connectivity options:
- HDMI Ports: Connect Blu-ray players, game consoles, or cable boxes.
- USB Ports: For media playback from USB drives.
- Ethernet Port: For wired internet connection.
- Wi-Fi: For wireless internet connection.
- Bluetooth: For connecting wireless accessories like headphones or soundbars.

Image: Diagram showing the dimensions of the 55-inch Hisense U6 TV and an overview of the remote control layout.
Initial Power On and Setup Wizard
- Plug the power cable into the TV and then into a wall outlet.
- Press the power button on the remote control or the TV.
- Follow the on-screen instructions for initial setup, including language selection, network connection, and Google account sign-in.
Operating Your TV
Remote Control Functions
The Hisense 55U6N comes with a new back-lit voice remote. Key features include:
- Lift to Light: The remote illuminates when lifted.
- Customizable Favorite Key: Assign a shortcut to your preferred app or function.
- Find My Remote: A feature to help locate a misplaced remote.
- Ambient Light Sensing: Adjusts backlight based on room lighting (ensure TV ambient light sensor is 'on').
- Voice Assistant: Use voice commands for navigation and search.

Image: Close-up view of the Hisense back-lit voice remote control, highlighting its key features such as 'Lift to Light' and 'Customizable Favorite Key'.
Smart TV Features (Google TV)
Your Hisense U6 Series TV runs on Google TV, providing access to a vast library of apps, streaming services, and Google Assistant.
- Streaming Services: Pre-installed apps like Netflix, Prime Video, Disney Plus, Hulu, and YouTube.
- Google Assistant: Use voice commands to search for content, control smart home devices, and get information.
- Chromecast Built-in: Cast content from your mobile devices to the TV.
Picture and Sound Settings
Navigate to the settings menu to customize your viewing experience:
- Picture Modes: Standard, Dynamic, Movie, Sport, Game.
- Mini-LED & Full Array Local Dimming: Enhances contrast and detail by precisely controlling backlight zones.
- QLED Quantum Dot Technology: Delivers over a billion shades of vivid color.
- Hi-View Engine: AI chipset for continuous picture quality improvement, including Dynamic Tone Mapping Pro and AI HDR Enhancement.
- Dolby Vision & Dolby Atmos: Enhanced visual and audio experience.
- Game Mode Plus: Features like Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), and AMD FreeSync compatibility for optimized gaming.

Image: Visual representation of Mini-LED and Full Array Local Dimming technology, illustrating how it achieves incredible contrast and detail.

Image: Artistic representation of QLED technology, emphasizing the display of a billion+ shades of vivid color.

Image: Close-up of the Hisense Hi-View Engine chipset, depicted as the "brain behind the beauty" of the TV's image processing.

Image: A scene depicting an immersive visual experience, representing the capabilities of Dolby Vision and Dolby Atmos for enhanced storytelling.
Maintenance
Cleaning the Screen
Use a soft, lint-free cloth slightly dampened with water or a specialized screen cleaner. Do not spray cleaner directly onto the screen.
Cleaning the Cabinet
Wipe the cabinet with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
Software Updates
Your Google Smart TV will periodically check for and install software updates. Ensure your TV is connected to the internet for these updates.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Power cord not securely plugged in. | Check power cord connection to TV and wall outlet. |
| No Picture, Only Sound | Incorrect input source selected. | Press the "Input" button on the remote and select the correct source. |
| Poor Picture Quality | Low-resolution source; Picture settings incorrect. | Ensure source is high-definition; Adjust picture settings in the menu. |
| No Internet Connection | Wi-Fi signal weak; Ethernet cable disconnected. | Check Wi-Fi router; Reconnect Ethernet cable; Re-enter Wi-Fi password. |
| Remote Not Responding | Batteries are dead or inserted incorrectly. | Replace batteries (2 AAA); Ensure correct polarity. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 55U6N |
| Screen Size | 55 Inches (140 cm diagonal) |
| Display Technology | Mini-LED, ULED, QLED |
| Resolution | 4K UHD (3840 x 2160) |
| Refresh Rate | 240 hertz (Motion Rate) |
| HDR Support | HDR 10+, Dolby Vision |
| Audio Technology | Dolby Atmos |
| Operating System | Google Smart TV |
| Connectivity | Bluetooth, Ethernet, HDMI, USB, Wi-Fi |
| Power Consumption | 180 watts |
| Dimensions (W x H x D) | 48.5 x 28.2 x 3.0 inches (without stand) |
| Weight | 30.6 pounds |
Warranty and Support
This product is sold as a Renewed item. Please refer to the specific warranty terms provided by the seller, Hyper Microsystems, or Amazon Renewed for details regarding coverage and duration.
For technical support or service inquiries, please contact Hisense customer support or the seller directly. Contact information can typically be found on the Hisense official website or through your Amazon order details.
Online Resources:
- Hisense Official Website: www.hisense-usa.com
- Amazon Renewed Program: Amazon Renewed Store





