Many users are faced with a situation where the functionality of a smart TV LG Smart TV The device becomes inaccessible due to the lack of a built-in wireless module or its failure. In older models from the early 2010s, the Wi-Fi module was often missing from the basic configuration, and in modern devices it can fail. The solution is an external USB adapter, which turns any port into an access point to the global network.
Choosing the right device isn't just about buying the first stick with an antenna you come across. TVs LG have a specific software shell webOS (or older NetCast platforms), which requires the appropriate drivers. If you buy an unsupported model, the TV simply won't recognize it, and all your efforts will be in vain. In this article, we'll discuss which models are guaranteed to work, how to distinguish them from counterfeits, and what to do if you can't find the original adapter.
There are two main solutions: finding an original accessory from the TV manufacturer or using universal solutions after checking chipset compatibility. It's important to understand that universal computer adapters don't always work. Below, we'll cover the technical details in detail so you can make the right choice and enjoy content without delays.
⚠️ Note: Menu interfaces and the list of supported devices may differ slightly depending on the firmware version webOSBefore purchasing, check the exact model of your TV in the documentation or on the sticker on the back of the case.
Original LG adapters: guaranteed compatibility
The most reliable, although not always the cheapest way, is to purchase a certified accessory from LG ElectronicsThese devices are designed specifically to work with the chipsets of South Korean TVs and do not require additional driver installation. They are automatically detected by the system immediately after being connected to a USB port.
The most common model is TWFM-B006 and its modifications with indices AGSBR, ARNSG, BTWFMThese dongles (as they're often called due to their shape) support 802.11n Wi-Fi standards and often operate in the 2.4 GHz band, though less commonly in the 5 GHz range. They're ideal for LB, LF, UF, EF, EG, MA, and MT series models, manufactured between approximately 2012 and 2016.
However, it's important to be careful when purchasing. The market is oversaturated with knockoffs that look identical to the originals but contain cheap Chinese chips that LG TVs won't recognize. The original always has high-quality markings, a holographic sticker, and usually comes in branded packaging with instructions in multiple languages.
- 🔍 Marking: The original adapter always has a clearly stamped model number on the body, starting with TWFM or AN-WF.
- 📦 Package: Original products have high-quality printing and protective seals.
- 💰 Price: The price of the original is rarely too low; suspiciously cheap goods are most often counterfeits.
- 🔌 Design: Some models, for example AN-WF500, have an external antenna module to amplify the signal.
If you find an adapter marked AN-WF100, AN-WF300 or AN-WF500, please be aware that these are older or specialized versions. Model AN-WF500, for example, is notable for the fact that it is not just a USB dongle, but a module that connects via a special connector inside the TV case (although external modifications also exist), which ensures better connection stability.
Compatibility of universal USB adapters
If you can't find the original accessory or its price seems unreasonably high, you can try using a universal USB Wi-Fi adapter. However, herein lies the main difficulty: TVs LG They don't have an open operating system where you can simply "drop" a driver. The driver must already be built into the TV's firmware.
Most LG TVs are based on chipsets that have historically worked well with certain Wi-Fi module manufacturers. Devices based on these chips have the highest success rate. Realtek (RTL8188, RTL8192 series) and Ralink/MediaTekChip adapters Atheros or Broadcom They work with LG extremely rarely and require specific conditions.
Before purchasing a universal dongle, it is highly recommended to search forums or compatibility lists (WiFi dongle lists) specifically for your TV model. Users often share their experiences with specific brands (TP-Link, D-Link, Asus) and models (for example, TL-WN725N or N150) worked out of the box. But even then, success isn't 100% guaranteed.
⚠️ Please note: Universal adapters with two antennas or AC (Wi-Fi 5) and AX (Wi-Fi 6) standards rarely work with LG TVs. The system may simply not have drivers for modern speed standards.
There's a nuance with power supply. Some high-power adapters can consume more power than the TV's USB port can handle. In such cases, a powered USB hub with its own power supply may be required, although this is rarely necessary for simple devices. If the adapter's indicator light doesn't light or flashes erratically, the problem may be a lack of power.
Adapter Model Compatibility Chart
To help you organize the information, we've compiled a table to help you navigate the wide variety of models. Please note that support may vary depending on the TV's year of manufacture and firmware version.
| Adapter model | Type | Wi-Fi standard | Likelihood of working with LG |
|---|---|---|---|
| LG TWFM-B006 | Original | 802.11 n/b/g | 100% (for compatible TVs) |
| TP-Link TL-WN725N | Universal | 802.11 n | High (Realtek chip) |
| D-Link DWA-125 | Universal | 802.11 n | Average (depending on revision) |
| Asus USB-N10 | Universal | 802.11 n | Medium/Low |
| Any Wi-Fi 6 (AX) | Universal | 802.11 ax | Extremely low |
As can be seen from the table, the old standards N (Wi-Fi 4) have a much better chance of working than modern ones AC or AXThis is due to the fact that the software code in LG TVs was written several years ago, and new standards were simply not taken into account by firmware developers.
Why don't modern adapters work?
Modern Wi-Fi adapters use new encryption protocols and drivers that are physically missing from the database of older and mid-range LG TVs. The TV can't download drivers from the internet because it doesn't yet have internet access. Therefore, it only works with the set of devices that engineers programmed at the factory.
Alternative: Wi-Fi routers with WPS support and client mode
If you can't find a compatible USB adapter and running a long LAN cable from your router to your TV is inconvenient, there's an elegant workaround. You can use a second router (or the primary router, if it supports client/bridge mode) as a wireless bridge.
The essence of the method is that you connect any Wi-Fi adapter (or even a smartphone) to the router, configure it in mode Client Bridge or WISP, and it transmits the signal to the TV's LAN port. The TV "thinks" it's connected via cable and doesn't care how the signal got there—over the air or via a wire.
To implement this method, you will need a router with firmware support. OpenWrt or DD-WRT, or modern models Keenetic, Asus, Mikrotik, which have a built-in client mode function. This is a universal solution that works with 100% of LG TVs, even the oldest ones.
- 📡 Flexibility: You can use a powerful router with an external antenna for better reception.
- 🔌 Stability: Connection via LAN port is always more stable than via USB dongle.
- ⚙️ Setting: Requires minimal skills in configuring network equipment.
This method is especially useful if the TV is located far from the main router and the signal penetrates walls poorly. You can place an intermediate client router closer to a good reception area and run a short patch cord to the TV.
Connection and setup instructions
Connecting the adapter is usually straightforward, but requires following a specific sequence. Failure to follow this sequence may result in the device not being detected, requiring a reboot.
First, make sure the TV is turned off (it's best to completely unplug it for 10-15 seconds to drain any residual charge). Plug the USB adapter into an available port. If the adapter has a retractable antenna, extend it. Then, turn on the TV.
Go to the settings menu. The path may vary slightly, but it usually looks like this: press the button Settings on the remote control, go to the section All settings (gear), then select Net or Connection. You should see it in the list of available connections. Wi-Fi.
☑️ Checking the adapter connection
Select your home network from the list and enter the password. If everything is successful, the TV will display "Connected." If the status is "Not connected" or the adapter isn't visible at all, try moving the device to a different USB port (preferably USB 2.0, as they're often more stable for these tasks than 3.0).
⚠️ Caution: Do not remove the adapter from the USB port while the TV is on. Although the USB standard supports hot plugging, the operating system webOS may not process the extraction correctly, which will require a full reboot of the TV.
Diagnosing problems and weak signals
Even with compatible equipment, users may experience slow speeds or constant connection drops. Often, the problem lies not with the adapter itself, but with the operating conditions. 2.4 GHz, which is supported by most older LG adapters, is highly susceptible to interference from neighboring routers, microwaves, and Bluetooth devices.
If your speed is low, try changing the broadcast channel on your main router. Use Wi-Fi analyzer apps on your smartphone to find the least crowded channel (usually 1, 6, or 11). It's also a good idea to force the channel width to 20 MHz instead of 40 MHz—this will reduce speed but improve stability in noisy environments.
Another common problem is overheating of the USB adapter. The small plastic-cased whistles, when inserted into a TV pressed tightly against the wall, can overheat and lose the connection. In such cases, using a short USB extension cable to move the adapter into an open area for better cooling can help.
In some cases, resetting your TV's network settings to factory defaults can help. This can be done in the menu. General -> Reset settings (Be careful, this may reset other settings as well.) After the reset, repeat the connection procedure.
Why doesn't my LG TV see the 5 GHz Wi-Fi network?
Most older and budget USB adapters for LG devices only work in the 2.4 GHz band. 5 GHz operation requires a dual-band adapter and corresponding support in the TV firmware. If your router broadcasts the 5 GHz network under the same name (SSID) as the 2.4 GHz network, try separating them in the router settings by assigning different names and connecting to the 2.4 GHz network.
Can I use a Samsung Wi-Fi adapter on an LG TV?
No, this is impossible. Samsung adapters (such as the WIS12ABGNX) use proprietary drivers and chipsets optimized for the Samsung operating system. They will not work on LG TVs, as they have completely different software architecture and hardware.
What should I do if the adapter gets hot and the TV displays "Not enough power"?
This means the TV's USB port isn't delivering the required current (usually 500 mA is required, but the port delivers less). Solution: Use a powered USB hub with external power from a wall outlet. The adapter plugs into the hub, the hub into the TV, and the hub's power supply plugs into a wall outlet.