Device and app evidence

Roku Ultra 4850R wired and HDR playback check · IPTV setup and compatibility

Roku lists the 4850R with Wi-Fi 6 and a 10/100 Ethernet port. It lists Dolby Vision, HDR10, HDR10+ and HLG for compatible 4K HDR televisions.

Roku Ultra 4850R receiver with Roku Voice Remote Pro, manufacturer product image
Roku Ultra model 4850R with Roku Voice Remote Pro (2nd edition). Shortcut buttons may vary. This image identifies the hardware; a native Mega OTT Roku app is not verified.

Roku lists the 4850R with Wi-Fi 6 and a 10/100 Ethernet port. It lists Dolby Vision, HDR10, HDR10+ and HLG for compatible 4K HDR televisions.

Confirm the exact product or platform

Check current availability for your device and market through the cited publisher.
CheckManufacturer or publisher evidence
PlatformRoku OS
PublisherRoku
Model4850R
NetworkDual-band Wi-Fi 6 and 10/100 Ethernet
HDR familiesDolby Vision, HDR10, HDR10+ and HLG in the manufacturer specification

What to do on your device

  1. Confirm 4850R on the package or Roku system information before comparing another Ultra generation.
  2. Compare the same permitted source through Wi-Fi or wired Ethernet and record which path the Roku used.
  3. Check the TV’s detected HDR signal and use a publisher-supported Roku app.

Test the viewing task

Use one authorized programme with a known audio or caption track. Check the same task after the documented change. If the result differs, report the model, OS or app version and the format or connection that the guide above applies to.

Sources and further reading