Introduction
This manual provides essential information for setting up, operating, and maintaining your ONN 50-Inch Class 4K HDR10+ Smart TV. Your Roku Smart TV offers wireless streaming of over 500,000 movies and TV episodes across thousands of free or paid channels, all accessible through a customizable home screen. This model also includes a free wall mount for flexible placement.

Figure 1: ONN 50-Inch 4K Smart TV with its accompanying wall mount.
Setup
1. Unpacking and Initial Placement
- Carefully remove all components from the packaging. Ensure all parts listed in the packing list are present.
- Choose a suitable location for your TV. If using the included wall mount, ensure the wall can support the TV's weight (approximately 27.2 pounds) and the mount.
2. Wall Mount Installation
The included wall mount allows for flexible viewing angles and space-saving installation. Follow these steps for secure mounting:
- Identify a sturdy section of the wall, preferably a wall stud, to secure the mount.
- Attach the wall bracket to the wall using appropriate hardware. Ensure it is level and securely fastened.
- Attach the TV brackets to the back of your ONN TV. Ensure the screws are compatible and fit correctly.
- Carefully lift the TV and hook the TV brackets onto the wall bracket. Ensure the TV is securely seated.
- The wall mount is designed to allow movement. You can gently pull the TV away from the wall and adjust its angle for optimal viewing.

Figure 2: Components of the wall mount kit, including the main bracket, TV brackets, and mounting hardware.

Figure 3: Illustration of the wall mount's functionality, demonstrating how the TV can be pulled out from the wall and adjusted.
3. Connecting Peripherals
Your ONN Smart TV offers various connection ports:
- HDMI Ports (3): Connect gaming consoles, Blu-ray players, cable boxes, or other HDMI-enabled devices.
- Composite Input (1): For older devices using RCA cables.
- USB Port (1): Connect USB drives for media playback.
- Optical Output (1): For connecting to soundbars or home theater systems.
- Coaxial/Cable Input (1): For connecting an antenna or cable TV.
- Headphone Jack (1): For private listening.
After connecting your devices, power on the TV and follow the on-screen instructions for initial setup, including Wi-Fi connection and Roku account linking.
Operating Your Smart TV
1. Roku Smart TV Interface
The ONN Smart TV features the intuitive Roku operating system. The home screen provides easy access to live TV, streaming services, and connected inputs. You can customize your home screen by adding or rearranging channels.

Figure 4: The main home screen of the ONN Roku TV, showing various streaming app icons and input options.
2. Remote Control Functions
The included remote control is designed for simplicity and ease of use. It features dedicated shortcut buttons for popular streaming services like Netflix, Disney+, Apple TV, and Hulu. Volume and mute controls are conveniently located on the side of the remote.
3. Voice Control Integration
Your ONN Smart TV is compatible with Amazon Alexa, Google Assistant, and HomeKit devices. This allows you to control your TV using voice commands, such as finding content, launching apps, changing channels, or switching inputs.

Figure 5: The TV's compatibility with various voice assistants and smart home ecosystems.
4. Roku Mobile App
Enhance your TV experience by downloading the free Roku mobile app for iOS or Android. The app allows you to quickly search for movies, use voice control, enjoy private listening through headphones, or cast photos and videos from your phone to the TV.

Figure 6: The Roku mobile app interface on smartphones, demonstrating remote control and voice search features.
Maintenance
- Cleaning the Screen: Use a soft, lint-free cloth specifically designed for electronics. Do not use harsh chemicals or abrasive materials.
- General Cleaning: Wipe the TV frame and stand with a soft, dry cloth.
- Ventilation: Ensure adequate airflow around the TV to prevent overheating. Do not block ventilation openings.
- Power Cord: Regularly check the power cord for any damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Power cord disconnected; outlet issue. | Ensure power cord is securely plugged into the TV and a working electrical outlet. |
| No Picture/Sound | Incorrect input selected; loose cable connection. | Verify the correct input source is selected. Check all cable connections (HDMI, AV, etc.) are secure. |
| Wi-Fi Connectivity Issues | Router issues; incorrect password; TV too far from router. | Restart your router and modem. Re-enter Wi-Fi password. Move TV closer to router or use a Wi-Fi extender. |
| Remote Not Responding | Dead batteries; obstruction; remote not paired. | Replace batteries. Remove any obstructions between remote and TV. Re-pair remote if necessary (refer to Roku TV pairing instructions). |
| Wall Mount Issues (e.g., screws not fitting) | Incorrect screw size; specific wall type. | Ensure you are using the correct VESA-compatible screws for your TV model. Consult a professional for wall types requiring specialized anchors. |
Specifications
| Feature | Detail |
|---|---|
| Brand | ONN |
| Model Number | 100012585 |
| Screen Size | 50 Inches (127 cm diagonal) |
| Display Technology | LED |
| Resolution | 4K UHD |
| Refresh Rate | 60 Hz |
| HDR Support | HDR10+ |
| Operating System | Roku Smart TV |
| Connectivity Technology | Wi-Fi |
| Voice Assistant Compatibility | Works with Alexa & Google Assistant, HomeKit |
| Audio Technology | Dolby Audio (2 built-in 8W speakers) |
| Product Dimensions (D x W x H) | 10" x 44" x 28" |
| Item Weight | 27.2 pounds |
| Included Accessory | Free Wall Mount |

Figure 7: Visual representation of HDR10 technology enhancing color and contrast.

Figure 8: Visual representation of 4K UHD resolution for enhanced detail and color.
Warranty and Support
As an Amazon Renewed product, this TV is backed by the Amazon Renewed Guarantee. Please refer to the specific terms and conditions provided at the time of purchase for detailed warranty information and return policies.
Optional protection plans are available for purchase to extend coverage beyond the standard return period. These include 3-Year, 4-Year, and Complete Protect plans.
For technical support or further assistance, please contact Amazon Renewed customer service or the original manufacturer, ONN, if applicable.







