SRT 55UB6203 (55"/139 cm) - 10 bit

A festival of colours!

Do you want to access apps, such as YouTube, or to stream Netflix or to surf websites? You can do all that in exciting brilliant colours and up to 4K Ultra HD resolution. Thanks to the high dynamic range (HDR), which provides a higher level of contrast between light and dark, you will enjoy more realistic and vivid images. Additionally, the Smart TV series is equipped with Wi-Fi® and triple tuner (DVB-T2/C/S2), USB ports for the playback of files, a CI slot for conditional access to Pay TV and many more features.

SRT 55UB6203 (55"/139 cm) - 10 bit

Product overview

  • Built-in DVB-T2/C/S2 tuner
  • CI slot for conditional access to Pay TV
  • Ultra HD (4K) cinema resolution
  • Smart TV: entertainment and information
  • Netflix app: TV shows and movies, including Netflix original series
  • Image Quality Ratio 1000
  • Exceptional contrast and realistic pictures
  • Wireless connection with built-in Wi-Fi®
  • USB for playback
  • Electronic Programme Guide (EPG)
  • Share media or mirror the screen from a smartphone/tablet to the TV


Built-in DVB-T2/C/S2 tuner for Free-To-Air TV and radio programmes via terrestrial antenna, satellite or cable(1)
CI slot for conditional access to Pay TV
Ultra HD (4K) cinema resolution
Smart TV for entertainment and information
Netflix app included for access to thousands of TV shows and movies recommended just for you, including award-winning Netflix original series, movies, and documentaries(2)
Enjoy one month free worth of Netflix with your TV(3)
Exceptional contrast and realistic pictures
Wireless connection with built-in Wi-Fi®
Pre-installed apps such as YouTube and more(4)
USB port for playback of various files(5)
Share media (videos, music, photos) or mirror the screen from mobile devices to the TV
Radiant colours and broad colour spectrum
Image Quality Ratio 1000
Sharpness and fluidity to moving images
Electronic TV Programme Guide (EPG) for on screen programme information of present/following events(6)
Favourite list for storing channels in your preferred order
Parental control for channels(6)
Teletext, multi-lingual subtitling and audio track support(6)
User-friendly remote control
Various settings for picture and sound modes
Different channel edit options (skip, rename, delete, move, add to favourite list)
Software updates Over-The-Air
Low power consumption in standby
Multi-lingual on screen menu (OSD)
(1) Depending on local signal conditions
(2) Netflix is available in selected countries. Streaming membership required. More information at
(3) Offer available to new members and limited to one free trial per household. Broadband Internet and device that streams from Netflix required. See for details.
(4) STRONG cannot be held liable for services by third parties. Offers by third parties may be changed or removed at any time, may not be available in all regions and may require a separate subscription.
(5) STRONG cannot guarantee the playback of files although extensions are listed, as it depends on the codec, bit rate and resolution
(6) Availability depending on broadcast
Resolution3840 x 2160 (4K UHD)
Viewing angle178/178 (typ.)
Image Quality Ratio (IQR)1000
Frequency50/60 Hz
Panel brightness (cd/m²)≥260
Contrast ratio4500:1
Response time typ. (in ms)6,5
Picture processingavailable
DVB-T2/HEVC H.265available
USB playback available
Built-in Wi-Fiavailable
Wi-Fi Displayavailable
Smartphone/Tablet remote supportavailable
Favourite channel listavailable
Channel editoravailable
Parental controlavailable
Hotel Modeavailable
Sat: DiSEqC 1.0available
AppsNetflix, YouTube, AccuWeather and more
Web browseravailable
Video-on-demand (VoD)available
Mobile controlavailable
Screen mirroringavailable
HDMI 2.03
HDMI 2.0 (with ARC)1
USB 2.0 2
Ethernet (RJ-45) 1
ANT in (IEC terrestrial/cable)1
SAT in (F Sat)1
CI slot1
Sound typeStereo, Mono L/R
Speakers 2 x 8 W
Screen size (cm/inch)139 / 55"
Bezel width in mm13.7/13.7/13.7/20.2
Thickness in mm (without stand)85.3
Size (WxDxH) in mm1242 x 245 x 779
Size (WxDxH) in mm (without stand)1242 x 85.3 x 722
Distance between feet in mm987
Weight in kg17,2
Weight without stand in kg13
Packaging dimension in mm1400 x 160 x 856
Power Supply180 – 240 V
Input Power Range
Power consumption working (max./typ.)145 W / 84 W
Power consumption in standby≤0.5W
Energy efficiency classG
Fixed standavailable
Stand feet
Wall-mount VESA size in mm (not included)300 x 300

* DVB-C is only available in certain countries and for certain operators. For certain operators, a subscription and conditional access are necessary. For more information, please contact your operator.
**Availability depending on broadcast

Subject to alterations. In consequence of continuous research and development technical specifications, design and appearance of products may change. Manufactured under license from Dolby Laboratories. Dolby, Dolby Audio and the double-D symbol are registered trademarks of Dolby Laboratories. HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. Wi-Fi is a registered trademark of Wi-Fi Alliance®. Netflix is a registered trademark of Netflix, Inc. YouTubeTM is a trademark of Google Inc. All product names are trademarks or registered trademarks of their respective owners.

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