Does the QN55LS03HWFXZA work with RemotApp?
Yes. The QN55LS03HWFXZA runs Tizen 10.0, 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: Samsung Tizen (WebSocket 8001/8002)
What the code QN55LS03HWFXZA means
TV model codes follow the maker’s naming rules. Reading it piece by piece:
QNProduct line and market group · Americas
55Screen size in inches
LS03HSeries (2026 line) · The Frame
WVersion / finish
FXZAMarket code · United States
QN55LS03HWFXZA specifications
Display
| Display diagonal | 139.7 cm (55") |
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| HD type | 4K Ultra HD |
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| Display technology | Neo QLED |
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| Screen shape | Flat |
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| Motion interpolation technology | Motion Xcelerator |
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| Native refresh rate | 144 Hz |
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| Display refresh rates supported | 144 Hz, 240 Hz |
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| Dynamic contrast ratio marketing name | Quantum Matrix Technology Slim |
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| Display resolution | 3840 x 2160 pixels |
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| Anti-glare screen | Yes |
TV tuner
| Tuner type | Analog & digital |
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| Digital signal format system | ATSC, Clear QAM |
Smart TV
| Smart TV | Yes |
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| Internet TV | Yes |
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| Operating system installed | Tizen |
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| Screen mirroring | Yes |
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| Smart modes | Art, Game, Movie, Sports |
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| Far-field voice interaction | Yes |
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| TV initiate mirroring | Yes |
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| Universal guide | Yes |
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| Video apps | Samsung TV Plus |
Audio
| RMS rated power | 40 W |
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| Audio output channels | 2.0.2 channels |
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| Audio decoders | Dolby Atmos |
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| Adaptive sound | Yes |
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| Active voice amplifier (AVA) | Yes |
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| Enhanced Audio Return Channel (eARC) | Yes |
Network
| Wi-Fi | Yes |
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| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
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| Bluetooth | Yes |
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| Bluetooth version | 5.3 |
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| Web browser | Yes |
Design
| Product colour | Black |
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| VESA mounting | Yes |
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| Panel mounting interface | 200 x 200 mm |
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| Introduction year | 2026 |
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| Bezel type | VNB (Very Narrow Bezel) |
Performance
| High Dynamic Range (HDR) technology | Neo Quantum HDR, High Dynamic Range 10+ (HDR10 Plus), High Dynamic Range 10+ Adaptive (HDR10 Plus Adaptive), High Dynamic Range 10+ Gaming (HDR10 Plus Gaming), Filmmaker Mode |
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| Game mode | Yes |
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| AI Upscale | Yes |
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| Backlight dimming technology | Supreme Mini LED Dimming |
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| Picture processing technology | Samsung Real Depth Enhancer, Neural Quantum Processor 4K AI Gen 3 |
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| High Dynamic Range (HDR) supported | Yes |
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| AMD FreeSync | Yes |
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| AMD FreeSync type | FreeSync Premium Pro |
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| Game features | AI Auto Game Mode, Game Motion Plus, Variable Refresh Rate (VRR) |
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| 4K Ultra HD upscaling | Yes |
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| SmartThings app support | Yes |
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| Multi View | Yes |
Ports & interfaces
| Ethernet LAN (RJ-45) ports | 1 |
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| Digital audio optical out | 1 |
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| RS-232C ports | 1 |
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| RF ports quantity | 1 |
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| HDMI ports quantity | 5 |
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| Consumer Electronics Control (CEC) | Anynet+ |
Management features
| Voice guide | Yes |
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| Electronic Programme Guide (EPG) | Yes |
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| On Screen Display (OSD) | Yes |
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| Number of OSD languages | 3 |
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| On Screen Display (OSD) languages | English, Spanish, French |
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| Auto power off | Yes |
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| Works with Amazon Alexa | Yes |
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| Works with the Google Assistant | Yes |
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| Works with Samsung Bixby | Yes |
Power
| Power consumption (typical) | 123 W |
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| Power consumption (standby) | 0.5 W |
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| Power consumption (max) | 180 W |
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| Energy efficiency class (SDR) | Not available |
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| Energy efficiency class (HDR) | Not available |
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| AC input voltage | 110 - 120 V |
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| AC input frequency | 50/60 Hz |
Brand-specific features
| Samsung technologies (AV/TV) | Art Mode, Art Store, Auto HDR Remastering Pro, Built-in SmartThings Hub, Colour Booster Pro, Customisable Bezel, HDMI eARC, HDR10+, Motion Xcelerator 144Hz, NQ4 AI Gen3 Processor, Object Tracking Sound, PANTONE Validated, Quantum Matrix Technology Slim, Real Depth Enhancer, Samsung Health, Samsung TV Plus, Smart TV powered by Tizen, SmartThings, Smart Calibration, SolarCell Remote, Supersize Picture Enhancer, Wide Viewing Angle, Works With Amazon Alexa, Works With Google Assistant |
Weight & dimensions
| Width (with stand) | 1237 mm |
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| Depth (with stand) | 218 mm |
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| Height (with stand) | 744 mm |
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| Weight (with stand) | 15.3 kg |
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| Width (without stand) | 1237 mm |
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| Depth (without stand) | 25.4 mm |
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| Height (without stand) | 714 mm |
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| Weight (without stand) | 15 kg |
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| Stand width | 90.2 cm |
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| Stand depth | 21.8 cm |
Packaging data
| Package width | 1374 mm |
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| Package depth | 155 mm |
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| Package height | 828 mm |
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| Package weight | 22.1 kg |
Packaging content
| Cables included | AC |
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| Remote control included | Yes |
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| Remote control type | SolarCell Remote |
Technical data: Open Icecat and the manufacturer. Check the official page before buying; specs can vary by batch and market.
How to control the QN55LS03HWFXZA 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 Samsung TV.
- A message appears on the TV asking to allow a new device. Select “Allow”.
- Tap Volume + to test. That’s it: your phone is now the remote.
Full guide for Samsung TVs, with fixes when it won’t connect
Turning the QN55LS03HWFXZA on without the remote
Turn on “Power On with Mobile” in Settings › General › Network › Expert Settings. With it on, the TV keeps listening on Wi-Fi while in standby and RemotApp can wake it.
Also sold as
Same TV, different market codes:
QN55LS03HEGXZD BrazilQN55LS03HEFXZX MexicoQN55LS03HEFXZA United States
Questions about the QN55LS03HWFXZA
Can I control the Samsung QN55LS03HWFXZA with my phone?
Yes. The QN55LS03HWFXZA runs Tizen 10.0, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.
What year is the Samsung QN55LS03HWFXZA?
The QN55LS03HWFXZA is part of Samsung’s 2026 line (The Frame LS03H).
What operating system does the QN55LS03HWFXZA use?
The QN55LS03HWFXZA runs Tizen 10.0.
How many HDMI ports does the QN55LS03HWFXZA have?
The QN55LS03HWFXZA has 5 HDMI ports.
Does the QN55LS03HWFXZA have Bluetooth?
Yes
Turning the QN55LS03HWFXZA on without the remote
Turn on “Power On with Mobile” in Settings › General › Network › Expert Settings. With it on, the TV keeps listening on Wi-Fi while in standby and RemotApp can wake it.