Firmware Version 3.6

We are pleased to release new firmware for Uniti Atom, Uniti Star and Uniti Nova; plus ND5 XS 2, NDX 2 and ND 555 streamers.


We have worked closely with an enlarged beta-test group to improve a range of playback and display issues, detailed below. Thanks to the beta team for all their input on this and ongoing software releases.





  • New: Display will wake up if it is off when the auto off setting is changed
  • Fixed: Display could get ‘frozen’ showing earlier track artwork and information
  • Fixed: Display could show a blank or black screen until standby cycle and was unresponsive to proximity detection
  • Fixed: Display could use incorrect values for sleep timeout
  • Fixed: Display sleep timeout was not reset after it was awoken by volume control change
  • Fixed: Display versions could be shown as empty in Settings -> AboutFixed: 32kHz WMA files sometimes failed to play
  • Fixed: Now playing screen was slow to display what is playing on Tidal and Qobuz inputs
  • Fixed: Occasional dropouts while playing Qobuz at 96kHz resolution and above
  • Fixed: Qobuz playback could stop on track transitions
  • Fixed: AirPlay 2 - would drop the connection at the end of an episode or video
  • Fixed: AirPlay 2 - volume could set itself to 100% after power cycle
  • Fixed: AirPlay 2 - when reducing volume level the level could land at the wrong position
  • Fixed: Audio stuttering when multirooming 192kHz content
  • Fixed: Starts of tracks could be missed when multirooming play queue input
  • Fixed: Dropouts when playing high-def radio streams with a multiroom client device connected
  • Fixed: Brief audio mute/unmute when resuming external inputs out of standby state
  • Fixed: Classic FM and KCRW 89.9 radio stations artwork failed to load when played from the default preset set
  • Fixed: Crash when playing FLAC file with decoder errors
  • Fixed: Crash caused by repeated skipping of tracks in play queue
  • Fixed: Crash when performed seek to time on DSD content
  • Fixed: FLAC format in an OGG container was reported as OGG, rather than FLAC
  • Fixed: Mute state could get out of sync with Naim app
  • Fixed: TIDAL favourites were not shown if the account password contained an ampersand
  • Fixed: Progress bar would lock up for several seconds after seeking to a new playback position
  • Fixed: Radio podcasts with very long names could obscure the elapsed time on the front panel
  • Fixed: Radio stations of format Opus in an OGG container would fail to play
  • Fixed: Standby cycle loop caused by requesting standby state and playback within short succession
  • Fixed: The front panel now playing screen could fail to update track information after scrolling through long Internet Radio station lists
  • Fixed: The front panel now playing screen could in rare cases get stuck in 'connecting' state on transition from USB to Internet Radio
  • Fixed: USB tracks could be listed as unavailable on when added to Favourites
  • Fixed: When server mode was disabled a shell UPnP server was visible in browsers such as smart TVs and third party UPnP control points


Uniti Atom, Star and Nova specific updates in this release:


  • Fixed: HDMI - Product name was truncated on television
  • Fixed: HDMI - ARC compatibility with late model Samsung TVs
  • Fixed: Occasional buzz sound when connecting or disconnecting headphones
  • Fixed: Occasional buzz sound when waking from standby on digital input
  • Fixed: Occasional pop from speaker output at boot up


ND5 XS 2, NDX 2 and ND 555 specific updates in this release:


  • Fixed: Hybrid volume mode would opt to use fixed volume instead of variable when acting as the multiroom client of a legacy system
  • Fixed: Intermittent muting with system automation enabled


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