LG 42LX3QPUA Remote

$67.99

LG 42LX3QPUA remote replacement restores input switching, Game Optimizer, Game Dashboard, and full webOS 22 navigation, covering picture and audio settings (part number MR21GA).

37 in stock

SKU: LG-42LX3QPUA Categories: ,
Description

About This Remote

Controlling a 41.5-inch 4K OLED evo display like the LG 42LX3QPUA takes a remote that covers every layer of webOS 22, from Game Optimizer and Game Dashboard to input switching, picture settings, and audio controls. The replacement sold on this page is part number MR21GA; it works over infrared with no programming, code entry, or pairing required. It keeps a familiar, uncluttered button layout that maps directly to the 42LX3QPUA’s menus, including quick access to the VRR and G-Sync gaming modes that make this OLED Flex panel distinctive.

Why buy this remote

  • Covers the full webOS 22 menu system, including Game Optimizer and Game Dashboard controls.
  • Works with the 42LX3QPUA’s variable refresh rate and gaming feature settings without any additional setup.
  • Keeps a familiar, uncluttered button layout for the LG OLED Flex remote control.
  • Runs on 2 x AA 1.5V alkaline batteries, which are standard and widely available.

Compatible part numbers

LG 42LX3QPUA Remote Specifications
Batteries2 x AA 1.5V Alkaline
Part numberMR21GA
Device TypeTV
Warranty1 year

LG 42LX3QPUA TV Specifications

Display Type 4K OLED evo (Self-Lit Pixels)
Screen Size 41.5 inches diagonal
Resolution 3840 x 2160 pixels
Refresh Rate 40 Hz, 120 Hz (Variable)
Brightness 360 cd/mยฒ
Adjustable Curvature Flat to 900R
Anti-Reflection Super Anti Reflection (SAR)
Operating System webOS 22
Processor ฮฑ9 Gen 5 AI Processor 4K
Gaming Features Game Optimizer, Game Dashboard, VRR, G-Sync compatible, FreeSync Premium
Audio 40W front-firing speakers (stand)
HDMI Ports 4x HDMI (4K@120Hz)
USB Ports 3x USB
Connectivity Ethernet, Optical Digital Out, Bluetooth, Wi-Fi

Find the official LG 42LX3QPUA manuals on LG’s support page.

Frequently asked questions

Will this remote control work with my LG 42LX3QPUA TV without any programming?

Yes. The LG 42LX3QPUA remote requires no code entry, pairing, or programming of any kind. Install batteries and it responds to the TV immediately.

What functions does this replacement cover on the 42LX3QPUA?

This remote covers the complete webOS 22 interface, including input selection, picture and audio settings, Game Optimizer, Game Dashboard, and general navigation menus. It maps to the same commands as the remote the TV was originally used with.

What is the part number for this replacement?

The part number is MR21GA. That is the reference to confirm you have the correct remote for the LG 42LX3QPUA OLED Flex.

Does this remote support the curvature adjustment feature on the 42LX3QPUA?

The 42LX3QPUA's curvature adjustment, which moves the screen between flat and 900R, is a manual mechanical control on the TV itself and is not operated by any remote. This remote handles all standard webOS 22 functions, including the gaming and display settings accessible through the TV's software menus.

What batteries does the MR21GA remote use?

The remote takes 2 x AA 1.5V alkaline batteries.

Is the 42LX3QPUA the only model this remote works with?

The confirmed compatible device listed for the MR21GA on this page is the LG 42LX3QPUA. If you have a different LG model, check that page's specific remote listing before purchasing.

Additional information
Compatible BrandLG
Device TypeTV
Compatible Model42LX3QPUA
Power Source2 x AA 1.5V Alkaline
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Shipping and Delivery

๐Ÿ“ฆ Shipping Information

At USA Remotes, we’re committed to getting your replacement remote to you fast, free, and hassle-free โ€” the same way your remote shows up ready to use, with no pairing or programming. Below you’ll find everything you need to know about how we ship, how long it takes, and what to do if anything goes sideways.


๐Ÿšš How much does shipping cost?

Shipping is free on every order โ€” always. No minimum purchase, no handling fees, and no surprise charges at checkout. The price you see is the price you pay.


๐Ÿข Where do you ship from?

Every order ships from our U.S. fulfillment center. We’re a U.S.-based company, so your remote never sits in customs or crawls in from overseas โ€” it ships domestically and arrives quickly.


โฑ๏ธ When will my order ship?

We move fast. Orders placed before 2:00 PM Mountain Time (MT) on a business day ship the same day. Orders placed after the cutoff, on weekends, or on public holidays ship the next business day.

Business days are Monday through Friday, excluding national holidays.


๐Ÿš€ How long will it take to arrive?

Once your order leaves our warehouse, most deliveries arrive within 2โ€“4 business days. Paired with same-day processing, the majority of customers have their remote in hand within just a few days of ordering.

Delivery windows are estimates, not guarantees, and can run a little longer during weekends, holidays, peak seasons, or severe weather.


โšก Do you offer faster (expedited) shipping?

We don’t currently sell a separate paid expedited option, but many orders go out via USPS Priority Mail, which typically reaches most U.S. addresses in 2โ€“3 business days at no extra cost.

If you’re in a time-sensitive situation, email us at cs@usaremotes.com before you order and we’ll let you know what’s possible.


๐Ÿ“ฌ Which carriers do you use?

Because remotes are small and light, the vast majority of orders ship via USPS (United States Postal Service) โ€” usually USPS Ground Advantage or Priority Mail. For larger multi-remote orders we may use UPS or FedEx. The carrier is selected automatically to get your order to you as quickly and safely as possible.


๐ŸŒŽ Do you ship internationally?

Yes โ€” we ship internationally. International orders typically arrive within 8โ€“14 business days, depending on your destination and how long it spends in local customs. Carriers and shipping methods vary from country to country, so your order travels the most efficient route available.

Please note: international shipments may be subject to customs duties, taxes, or import fees charged by the destination country. These are set by your local customs authority and are the responsibility of the recipient.


๐Ÿ๏ธ Do you ship to Alaska, Hawaii, U.S. territories, and military addresses?

Yes. We ship to all 50 states, U.S. territories (including Puerto Rico, Guam, and the U.S. Virgin Islands), and APO/FPO/DPO military addresses. Because these rely on USPS, transit times may run a bit longer than the standard 2โ€“4 business days.


๐Ÿ“ฎ Do you deliver to PO Boxes?

Absolutely. Since most orders ship via USPS, PO Box delivery is no problem. On the rare occasion an order ships via UPS or FedEx, we may reach out for a physical street address.


๐Ÿ” How do I track my order?

As soon as your order ships, we’ll email you a tracking number. You can also check your status anytime on our Track Your Order page. If you don’t see the email within a day of ordering, check your spam folder or get in touch.


๐Ÿ“ง Why does my order say “Completed”?

When your order ships, you’ll get a confirmation email and your order status will change to “Completed.” That wording can be a little misleading โ€” “Completed” simply means your order has shipped and left our warehouse, not that it’s already been delivered. Just use the tracking number in your email to follow it the rest of the way to your door.


๐Ÿ“ญ My tracking number isn’t updating โ€” what should I do?

It’s normal for tracking to go quiet for a day or two, especially right after a label is created or over a weekend โ€” carriers don’t scan a package at every stop. If there’s no movement for more than 3โ€“4 business days, email us at cs@usaremotes.com and we’ll chase it down for you.


๐Ÿ“ฆ My tracking says “Delivered” but I don’t have it

If the carrier marked your package delivered but it’s not in your hands:

  1. Check around your home โ€” porch, mailbox, side door, garage, or wherever packages usually land.
  2. Ask household members or neighbors in case someone brought it in for you.
  3. Wait 24 hours โ€” packages are sometimes scanned as delivered slightly before they actually arrive.

If it still hasn’t turned up:

  • Contact your local USPS office โ€” they can pull GPS delivery confirmation showing exactly where the package was scanned.
  • Contact us at cs@usaremotes.com or (720) 204-8889. We’ll help open an investigation and retrieve the GPS scan data if needed.

Insurance: Our shipments include carrier insurance against loss or damage. We’ll guide you through the claim process with the carrier and stay on it until it’s resolved.


๐Ÿ’” My remote arrived damaged or doesn’t work

Every remote is tested and packed with care, but if yours shows up damaged or has a defect, you’re covered by our 1-year warranty and full compatibility guarantee. Just contact us at cs@usaremotes.com with your order number (and a quick photo if it’s physically damaged), and we’ll arrange a replacement or refund right away. Full details are in our Returns & Refunds policy.


๐Ÿ  What if I entered the wrong address?

If you spot a mistake in your shipping address, contact us immediately. If your order hasn’t shipped yet, we can fix it. If a package comes back to us as undeliverable (wrong or incomplete address), we’ll reach out to arrange a re-ship to the correct address.


๐Ÿ”€ Why did my order arrive in separate packages?

If you ordered more than one remote, your items may occasionally ship in separate packages or arrive on different days. Each shipment gets its own tracking number, so don’t worry if one lands before the other.


โ„๏ธ Holiday & weather delays

Carrier networks slow down during major holidays and severe weather. We still ship on our normal same-day schedule, but transit times may stretch during these periods โ€” and once a package is with the carrier, those delays are outside our control.


โœ… Our commitment to you

Your satisfaction is our priority. If anything goes wrong with your shipment, we’ll work directly with USPS or the relevant carrier to make it right and get your remote to you safely. Nobody should be stuck without a way to control their TV, sound bar, or AC.


๐Ÿ“ž Still have questions?

We’re happy to help.

  • Email: cs@usaremotes.com
  • Phone: (720) 204-8889
  • We typically reply within one business day.