Introduction
This manual provides essential information for setting up, operating, and maintaining your Samsung QN55S90F 55-inch Class OLED 4K S90F Vision AI Smart TV. Please read these instructions carefully to ensure proper use and to maximize your viewing experience. Keep this manual for future reference.

The Samsung QN55S90F 55-inch Class OLED 4K S90F Smart TV, showcasing its sleek design and vibrant display in a modern living room setting.
What's in the Box
Verify that all components are present before proceeding with setup.
- Samsung QN55S90F 55-inch Class OLED 4K S90F Smart TV
- Power Cable
- SolarCell™ Remote (Model: TM2560E)
- User Manual (this document)

An illustration detailing the contents of the TV box, including the 55-inch OLED TV, power cable, and SolarCell™ Remote TM2560E.
Setup
1. Unpacking and Placement
Carefully remove the TV from its packaging. It is recommended to have two people for this process. Place the TV on a stable, flat surface or prepare for wall mounting.
2. Stand Installation (Optional)
If using the included stand, attach it securely to the TV according to the diagrams provided in the quick setup guide. Ensure all screws are tightened.
3. Wall Mount Installation (Optional)
For wall mounting, use a VESA-compliant wall mount kit (400 x 400 mm) and follow the instructions provided with the wall mount. Consult a professional for installation if unsure.
4. Connecting Devices
Connect your external devices (e.g., cable box, Blu-ray player, gaming console) to the TV's HDMI ports. The TV features 4 HDMI ports. For audio systems, use the appropriate audio output ports.
5. Power Connection
Plug the power cable into the TV's power input, then into a wall outlet. Do not plug into a power strip until all other connections are made.
6. Initial Setup
Turn on the TV using the remote control. Follow the on-screen instructions to complete the initial setup, including language selection, network connection (Wi-Fi or Ethernet), and channel scanning.
Operating Instructions
Remote Control Overview
The SolarCell™ Remote (TM2560E) allows you to control all TV functions. Familiarize yourself with the buttons for power, volume, channel, Smart Hub, and source selection.
Basic Functions
- Power On/Off: Press the power button on the remote.
- Volume Control: Use the volume up/down buttons.
- Channel Selection: Use the channel up/down buttons or the number pad.
- Source Selection: Press the Source button to switch between connected devices (HDMI 1, HDMI 2, etc.).
- Smart Hub: Press the Smart Hub button to access apps, streaming services (Netflix, Prime Video, YouTube), and other smart features.
Picture and Sound Settings
Navigate to the TV's settings menu to adjust picture modes (e.g., Standard, Dynamic, Movie), brightness, contrast, color, and sound modes (e.g., Standard, Adaptive Sound Pro, Amplify).
Advanced AI Features
Your Samsung QN55S90F TV is equipped with advanced AI technologies to enhance your viewing experience.

The NQ4 AI Gen3 Processor, the core of the TV's intelligent performance, shown as a microchip on a circuit board.
- NQ4 AI Gen3 Processor: This advanced processor optimizes picture, sound, and smart features for an enhanced experience.
- 4K AI Upscaling Pro: AI technology transforms lower-resolution content into sharp, smooth 4K quality using 128 neural networks.

An image demonstrating 4K AI Upscaling Pro, showing enhanced detail and clarity in a picture of a child and a dog.
- OLED HDR+: Experience powerful brightness and deeper contrast in every pixel, revealing nuanced detail in both bright and dark scenes.

A vivid landscape image with a river flowing through a cave, illustrating the deep contrast and bright highlights provided by OLED HDR+ technology.
- AI Motion Enhancer Pro: Smooths the motion of fast-moving objects and text, reducing blur and flickering, particularly useful for sports and action content.
- Motion Xcelerator 144Hz: Provides smooth motion for sports and tear-free gaming with a 144Hz refresh rate, supporting VRR games up to 4K 144Hz.

A dynamic image of two race cars on a track, showcasing the smooth motion and clarity achieved with Motion Xcelerator 144Hz, ideal for gaming and fast-paced content.
Maintenance
Cleaning the Screen
To clean the screen, gently wipe it with a soft, dry microfiber cloth. For stubborn smudges, lightly dampen the cloth with water or a specialized screen cleaner. Never spray liquid directly onto the screen.
Software Updates
Ensure your TV's software is up to date for optimal performance and new features. You can check for updates through the TV's settings menu (Settings > Support > Software Update).
Power Saving Tips
To reduce power consumption, enable Eco Solution settings in the menu, such as Brightness Optimization or Auto Power Off. Unplug the TV from the power outlet when not in use for extended periods.
Troubleshooting
If you encounter issues with your TV, refer to the following common solutions before contacting support.
| Problem | Solution |
|---|---|
| No power | Check if the power cable is securely connected to both the TV and the wall outlet. Try a different outlet. |
| No picture, but sound is present | Verify the correct input source is selected. Check HDMI cable connections. Perform a picture test in the settings menu. |
| No sound, but picture is present | Check the volume level and mute status. Ensure external audio devices are properly connected and selected as the audio output. |
| Remote control not working | Ensure there are no obstructions between the remote and the TV. Recharge the SolarCell™ Remote by exposing it to light or using a USB-C cable. |
| Network connection issues | Restart your router and modem. Reconnect to the Wi-Fi network or check the Ethernet cable connection. Perform a network status test in the TV settings. |
| Picture quality issues (e.g., blurry, distorted) | Adjust picture settings. Ensure the input source is providing a high-quality signal. Check for software updates. |
Factory Reset
If problems persist, you may perform a factory reset. This will revert all settings to their default values and erase personal data. Navigate to Settings > General > Reset.
Specifications
| Feature | Detail |
|---|---|
| Brand | Samsung |
| Model Name | S90F |
| Model Number | CR-QN55S90F |
| Screen Size | 55 Inches |
| Display Technology | OLED |
| Resolution | 4K (3840 x 2160) |
| Refresh Rate | 144 hertz |
| Processor | NQ4 AI Gen3 Processor |
| HDR Format Supported | OLED HDR+ |
| Picture Quality Enhancement | 4K AI Upscaling Pro, OLED HDR+ |
| Motion Enhancement Technology | Motion Xcelerator 144Hz, AI Motion Enhancer Pro |
| Speaker Description | Built-in speakers with Object Tracking Sound and Adaptive Sound Pro |
| Integrated Surround Sound Format | Dolby Atmos, DTS:X |
| Connectivity Technology | Bluetooth, Wi-Fi, Ethernet, HDMI, USB, RCA |
| Total Number of HDMI Ports | 4 |
| Total USB Ports | 2 (including 1 USB 3.0) |
| Operating System | Windows (Smart TV OS) |
| Control Method | Push Button, Remote, Voice |
| Product Dimensions (D x W x H) | 55"D x 7"W x 33"H (Note: This seems to be a typo in source, likely 55"W x 7"D x 33"H or similar for TV dimensions) |
| Item Weight | 48 Pounds |
| VESA Mount Standard | 400 x 400 mm |
| Color | Black |
| UPC | 724129192995 |
Warranty Information
This Samsung QN55S90F Smart TV comes with a 90-day limited warranty. For detailed terms and conditions, please refer to the warranty card included with your product or visit the official Samsung support website.
Support
For further assistance, technical support, or to download the full digital manual, please visit the official Samsung support website:
You can also contact Samsung customer service directly for personalized support.





