1. Introduction
This manual provides essential information for the safe and efficient operation of your LG 42-Inch Class OLED Flex Smart TV, model 42LX3QPUA. Please read this manual thoroughly before using the product and retain it for future reference. This television offers a unique bendable OLED screen, transitioning between a flat display for traditional viewing and a curved display for immersive gaming.

This image displays the LG 42-Inch Class OLED Flex Smart TV positioned on a media console in a modern living room, highlighting its aesthetic integration into a home environment.
2. What's in the Box
Verify that all the following components are included in your product packaging:
- LG 42-Inch Class OLED Flex Smart TV (42LX3QPUA)
- Power Cable
- Remote Control
- Remote Control Battery (AA)
- Stand (Height adjustment, tilting, swivel components)
- User Manual (this document)
3. Setup
3.1 Physical Setup
Carefully unpack the TV and its components. Assemble the stand according to the separate stand assembly instructions provided. Place the TV on a stable, level surface or mount it using a compatible VESA 400 x 400 mm wall mount (sold separately).

A side view of the LG OLED Flex TV, illustrating the robust stand and the mechanism that allows for height and tilt adjustments.
3.2 Connecting Devices
Connect the power cable to the TV and then to a power outlet. Connect external devices such as gaming consoles, Blu-ray players, or sound systems to the appropriate ports (HDMI, USB, Ethernet) on the rear of the TV. This model features 4 HDMI ports and 3 USB ports.
3.3 Initial Power On and Configuration
Press the power button on 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. The TV runs on webOS 22.
4. Operating Your LG OLED Flex TV
4.1 Basic Controls and Remote
Use the provided remote control to navigate the TV's interface. The remote supports both traditional button input and voice control. Refer to the remote control guide for detailed button functions.
4.2 Bendable Screen Functionality
The LG OLED Flex TV features an adjustable screen curvature. Use the dedicated curvature button on the remote control to adjust the screen from flat to a maximum curve of 900R. There are 20 levels of curve adjustment available to optimize your viewing or gaming experience.

The television screen is shown in its curved configuration, actively displaying a racing game, demonstrating the immersive gaming experience it offers.

This image shows the LG OLED Flex TV with its screen in the flat position, displaying a racing game, suitable for general viewing or less immersive gaming.
4.3 Smart TV Features (webOS 22)
Your TV is equipped with webOS 22, providing access to a wide range of streaming services and applications. Navigate the home screen to find apps like Apple TV, Disney+, HBO Max, Hulu, Netflix, Prime Video, YouTube TV, and more. Built-in Alexa allows for voice commands.
4.4 Gaming Features
The OLED Flex TV is optimized for gaming with a 120 Hz native refresh rate and an ultra-low 0.1 ms response time. It supports Variable Refresh Rate (VRR), G-SYNC Compatible, and FreeSync Premium technologies for tear-free gaming. Cloud gaming services like NVIDIA GEFORCE Now are also integrated.
4.5 Audio Features
Experience rich audio with 40W Dolby Atmos front-firing speakers. The TV features a 2.1 channel audio output and a built-in echo-canceling gaming microphone for clear communication during gameplay.

The back of the LG OLED Flex TV stand is visible, showcasing the integrated ambient lighting that enhances the viewing experience.
5. Maintenance
5.1 Screen Care
To clean the OLED screen, gently wipe it with a soft, dry, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a screen-specific cleaning solution. Avoid using harsh chemicals, abrasive materials, or excessive pressure, as these can damage the screen.
5.2 General Care
Dust the TV cabinet and stand regularly with a soft, dry cloth. Ensure proper ventilation around the TV to prevent overheating. Do not block ventilation openings. Keep the TV away from direct sunlight, heat sources, and areas with high humidity.
6. Troubleshooting
If you encounter issues with your TV, refer to the following common troubleshooting steps:
- No Power: Ensure the power cable is securely connected to both the TV and the power outlet. Try plugging another device into the same outlet to confirm it is working.
- No Picture/Sound: Check all HDMI and audio connections. Ensure the correct input source is selected on the TV. Restart connected devices.
- Remote Control Not Working: Replace the batteries in the remote control. Ensure there are no obstructions between the remote and the TV's sensor.
- Network Connection Issues: Verify your Wi-Fi password. Restart your router and modem. If using Ethernet, ensure the cable is properly connected.
- Screen Curvature Malfunction: Ensure no physical obstructions are preventing the screen from bending. If the issue persists, power cycle the TV.
For further assistance, consult the comprehensive troubleshooting section in the full digital manual or contact LG customer support.
7. Specifications
Detailed technical specifications for the LG 42LX3QPUA OLED Flex Smart TV:

This image provides a visual representation of the LG OLED Flex TV's dimensions, indicating a height of 29.6 inches, a width of 36.9 inches, and a depth of 11.7 inches.
| Feature | Detail |
|---|---|
| Model Number | 42LX3QPUA |
| Screen Size | 42.1 Inches |
| Display Technology | OLED |
| Resolution | 4K UHD (3840 x 2160) |
| Refresh Rate | 120 Hz Native |
| Response Time | 0.1 Milliseconds |
| HDR Support | HDR10, Dolby Vision, HLG |
| Operating System | webOS 22 |
| Connectivity | Bluetooth 5.0, Ethernet, HDMI (4 ports), USB (3 ports), Wi-Fi |
| Audio Output | 40W Dolby Atmos Front-Firing Speakers (2.1 Channel) |
| Special Features | Bendable Screen (20 levels, up to 900R), Height & Tilt-Adjustable Stand, AI Picture Pro, AI 4K Upscaling, Game Optimizer, VRR, G-SYNC Compatible, FreeSync Premium, NVIDIA GEFORCE Now, Ambient Lighting |
| Product Dimensions (D x W x H) | 11.7" x 36.9" x 29.6" |
| Item Weight | 49.8 Pounds |
| VESA Mount Standard | 400 x 400 mm |
8. Warranty and Support
8.1 Warranty Information
This LG OLED Flex Smart TV comes with a 90-day limited warranty. Please retain your proof of purchase for any warranty claims. The warranty covers manufacturing defects under normal use conditions. For specific terms and conditions, refer to the warranty card included with your product or contact LG customer service.
8.2 Customer Support
For technical support, service inquiries, or further assistance, please visit the official LG website or contact their customer service hotline. Have your model number (42LX3QPUA) and serial number ready when contacting support.