RemotApp Download

50" Class The Frame QLED 4K TV

Samsung QN50LS03FAFXZA

Full specifications, official manuals and how to use your phone as the remote for this Samsung TV.

Screen
50″
Resolution
4K
Year
2025
Line
The Frame
System
Tizen 9.0

Does the QN50LS03FAFXZA work with RemotApp?

Yes. The QN50LS03FAFXZA runs Tizen 9.0, 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 QN50LS03FAFXZA means

TV model codes follow the maker’s naming rules. Reading it piece by piece:

  1. QNProduct line and market group · Americas
  2. 50Screen size in inches
  3. LS03FSeries (2025 line) · The Frame
  4. AVersion / finish
  5. FXZAMarket code · United States

QN50LS03FAFXZA specifications

Display

Display diagonal127 cm (50")
HD type4K Ultra HD
Display technologyQLED
LED backlightYes
LED backlighting typeDual LED
Backlight marketing nameDual LED
Screen shapeFlat
Native aspect ratio16:9
Motion interpolation technologyMotion Xcelerator
Native refresh rate60 Hz
Display resolution3840 x 2160 pixels
Display diagonal (metric)127 cm

TV tuner

Tuner typeAnalog & digital
Digital signal format systemATSC, Clear QAM
Supported TV bandsDTV

Smart TV

Smart TVYes
Internet TVYes
Operating system installedTizen
Apple AirPlay 2 supportYes
Sound mirroringYes
Smart modesArt, Filmmaker, Game, Movie
TV initiate mirroringYes
Universal guideYes

Audio

Number of speakers2
RMS rated power20 W
Audio output channels2.0 channels
Audio decodersDolby Atmos, Dolby MS12
Adaptive soundYes
Enhanced Audio Return Channel (eARC)Yes

Network

Wi-FiYes
Wi-Fi standardsWi-Fi 5 (802.11ac)
BluetoothYes
Bluetooth version5.3
Ethernet LANYes
BrowsingYes
Web browserYes

Design

Product colourBlack
VESA mountingYes
Panel mounting interface200 x 200 mm
Introduction year2025
Bezel typeVNB (Very Narrow Bezel)
Mini wall mount supportYes
FrameYes
Slim fit wall mount supportYes
Stand typeLegs stand
Stand colourBlack

Performance

High Dynamic Range (HDR) technologyHigh Dynamic Range 10+ (HDR10 Plus), Hybrid Log-Gamma (HLG), Quantum HDR
Game modeYes
Subtitles functionYes
Ambient modeYes
Eco sensorYes
AI UpscaleYes
Backlight dimming technologySupreme UHD Dimming
Picture processing technologySamsung Real Depth Enhancer
Picture processorNQ4 AI Gen2
High Dynamic Range (HDR) supportedYes
Game featuresAuto Low Latency Mode (ALLM), Dynamic Black EQ, Game Motion Plus, Gaming Hub, HGiG, Mini Map Zoom, Super Ultra Wide Game View, Surround Sound
4K Ultra HD upscalingYes
SmartThings app supportYes
Tap viewYes
Multi ViewYes
MBR supportYes

Ports & interfaces

PC in (D-Sub)No
Ethernet LAN (RJ-45) ports1
USB 2.0 ports quantity3
Digital audio optical out1
RS-232C ports1
RF ports quantity2
HDMI ports quantity4
Consumer Electronics Control (CEC)Anynet+

Management features

Voice controlYes
Voice guideYes
Electronic Programme Guide (EPG)Yes
On Screen Display (OSD)Yes
Number of OSD languages3
On Screen Display (OSD) languagesEnglish, Spanish, French
Auto power offYes
Firmware upgradeableYes
Works with Amazon AlexaYes
Works with the Google AssistantYes
Works with Samsung BixbyYes

Power

Power consumption (typical)103 W
Power consumption (standby)0.5 W
Power consumption (max)120 W
AC input voltage110 - 120 V
AC input frequency50/60 Hz
Energy saving modeYes

Brand-specific features

Samsung technologies (AV/TV)Adaptive Sound Pro, Auto HDR Remastering, Object Tracking Sound Lite, One Connect Box, Q-Symphony, Samsung Health, Samsung TV Plus, Smart Calibration, Wide Viewing Angle

Weight & dimensions

Width (with stand)1124.1 mm
Depth (with stand)227.8 mm
Height (with stand)679.2 mm
Weight (with stand)5.53 kg
Width (without stand)1124.1 mm
Depth (without stand)24.9 mm
Height (without stand)644.9 mm
Weight (without stand)5.35 kg
Stand width75.7 cm
Stand depth22.8 cm

Packaging data

Package width1251 mm
Package depth174 mm
Package height775 mm
Package weight9.48 kg

Packaging content

Desktop standYes
Mounting kitYes
Mounting kit typeWall mount
Cables includedAC
Remote control includedYes
Remote control typeTM2561E

Other features

Country of originMexico

Technical data: Open Icecat and the manufacturer. Check the official page before buying; specs can vary by batch and market.

How to control the QN50LS03FAFXZA with your phone

  1. Connect your phone to the same Wi-Fi network as the TV. (Not the guest network.)
  2. Turn the TV on and install RemotApp on your phone.
  3. Open RemotApp. It finds the TVs on your network by itself; tap your Samsung TV.
  4. A message appears on the TV asking to allow a new device. Select “Allow”.
  5. 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 QN50LS03FAFXZA 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:

  • QN50LS03FAGXZD Brazil
  • QN50LS03FAFXZX Mexico

Questions about the QN50LS03FAFXZA

Can I control the Samsung QN50LS03FAFXZA with my phone?

Yes. The QN50LS03FAFXZA runs Tizen 9.0, and RemotApp controls it over Wi-Fi with no setup beyond accepting the connection on the TV once.

What year is the Samsung QN50LS03FAFXZA?

The QN50LS03FAFXZA is part of Samsung’s 2025 line (The Frame LS03F).

What operating system does the QN50LS03FAFXZA use?

The QN50LS03FAFXZA runs Tizen 9.0.

How many HDMI ports does the QN50LS03FAFXZA have?

The QN50LS03FAFXZA has 4 HDMI ports.

Does the QN50LS03FAFXZA have Bluetooth?

Yes

Turning the QN50LS03FAFXZA 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.