Does the 55SM8100AUA work with RemotApp?
Yes. The 55SM8100AUA runs webOS 4.5, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.
- ✓Remote over Wi-Fi Yes
- ✓Infrared (Android with IR) Yes
- ✓Send photos and videos Yes
- ✓Turn on from the phone Yes
Protocol: LG webOS (SSAP 3000/3001)
What the code 55SM8100AUA means
TV model codes follow the maker’s naming rules. Reading it piece by piece:
55Screen size in inchesSM8100Series (2019 line) · NanoCellAVersion / finishUAMarket code · United States
55SM8100AUA specifications
Display
| Display diagonal | 139.7 cm (55") |
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| HD type | 4K Ultra HD |
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| Display technology | LED |
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| LED backlighting type | Edge-LED |
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| Screen shape | Flat |
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| Native aspect ratio | 16:9 |
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| Supported graphics resolutions | 3840 x 2160 |
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| Motion interpolation technology | TruMotion 120 Hz |
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| Display resolution | 3840 x 2160 pixels |
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TV tuner
| Tuner type | Digital |
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| Digital signal format system | ATSC |
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Smart TV
| Smart TV | Yes |
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| Operating system installed | WebOS |
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Audio
| Number of speakers | 2 |
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| RMS rated power | 20 W |
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| Audio decoders | DTS, DTS-HD |
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Network
| Wi-Fi | Yes |
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| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
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| Bluetooth | Yes |
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| Bluetooth version | 5.0 |
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| Ethernet LAN | Yes |
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| Web browser | Yes |
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Design
| Product colour | Black, Stainless steel |
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| VESA mounting | Yes |
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| Panel mounting interface | 300 x 300 mm |
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| On/off switch | Yes |
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| Rollable display | No |
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| LED indicators | Power |
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Performance
| Noise reduction | Yes |
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| High Dynamic Range (HDR) supported | Yes |
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| Processor cores | 4 |
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Ports & interfaces
| Audio Return Channel (ARC) | Yes |
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| HDCP | Yes |
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| Ethernet LAN (RJ-45) ports | 1 |
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| USB 2.0 ports quantity | 2 |
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| Composite video in | 1 |
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| Digital audio optical out | 1 |
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| RF ports quantity | 1 |
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| HDMI ports quantity | 4 |
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| Consumer Electronics Control (CEC) | SimpLink |
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Management features
| Works with Amazon Alexa | Yes |
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| Works with the Google Assistant | Yes |
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Power
| Power consumption (typical) | 76.9 W |
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| Power consumption (standby) | 0.5 W |
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| AC input voltage | 120 V |
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| AC input frequency | 50 - 60 Hz |
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Weight & dimensions
| Width (with stand) | 1231.9 mm |
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| Depth (with stand) | 264.1 mm |
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| Height (with stand) | 784.8 mm |
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| Weight (with stand) | 18.7 kg |
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| Width (without stand) | 1231.9 mm |
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| Depth (without stand) | 63.5 mm |
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| Height (without stand) | 716.2 mm |
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| Weight (without stand) | 17.2 kg |
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Packaging data
| Package width | 1359 mm |
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| Package depth | 175 mm |
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| Package height | 818.8 mm |
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| Package weight | 23.7 kg |
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| Package type | Box |
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Packaging content
| Desktop stand | Yes |
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| Cables included | AC |
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| E-manual | Yes |
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Other features
| Annual energy consumption | 142 kWh |
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Technical data: Open Icecat and the manufacturer. Check the official page before buying; specs can vary by batch and market.
How to control the 55SM8100AUA with your phone
- Connect your phone to the same Wi-Fi network as the TV. (Not the guest network.)
- Turn the TV on and install RemotApp on your phone.
- Open RemotApp. It finds the TVs on your network by itself; tap your LG TV.
- The TV shows a connection request from RemotApp. Select “Accept”.
- Tap Volume + to test. That’s it: your phone is now the remote.
Full guide for LG TVs, with fixes when it won’t connect
Turning the 55SM8100AUA on without the remote
Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.
Also sold as
Same TV, different market codes:
55SM8100PSA Latin America55SM8100PUA United States
Questions about the 55SM8100AUA
Can I control the LG 55SM8100AUA with my phone?
Yes. The 55SM8100AUA runs webOS 4.5, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.
What year is the LG 55SM8100AUA?
The 55SM8100AUA is part of LG’s 2019 line (NanoCell SM8100).
What operating system does the 55SM8100AUA use?
The 55SM8100AUA runs webOS 4.5.
How many HDMI ports does the 55SM8100AUA have?
The 55SM8100AUA has 4 HDMI ports.
Does the 55SM8100AUA have Bluetooth?
Yes
Turning the 55SM8100AUA on without the remote
Turn on “Mobile TV On” (or “Turn on via Wi-Fi”), usually under Settings › General › Devices. The TV then accepts a wake-up signal from your phone while in standby.
