This firmware update is being rolled out in stages, with devices updating sequentially over the next few days.


For a list of known issues currently being addressed, please refer to the provided link. Our team is diligently working to resolve these and aims to release fixes as per the estimated time of arrival (ETA).


It's important to note that the device's firmware version is distinct from the WiiM Home App version. To check your device's firmware version, open the WiiM Home App, go to the 'Device' tab, tap the 'gear icon (Cog Wheel)' for device settings, select 'Device Info', and then view 'Firmware Version'.


5.2.627753（Latest）


Release date:

     8 / 30 / 2024


What's New:

  1. Playback Improvements:
    • Resolve issues with Amazon Music, including skipping during playback and inability to start playback.
    • Fix an issue where TIDAL playback wouldn’t start when switching from Amazon Music.
    • Correct metadata now displays when seeking frequently.
    • Resolve an issue preventing Audible Books from playing through Alexa.
    • Fix playback issues with certain M3U8 formats.
    • Address occasional Bluetooth playback crashes.
    • Reduce playback stuttering for HDMI and Optical input sources.
  2. Screen Improvements:
    • Added support for Hebrew font display.
    • Correct EQ selection is now shown when EQ settings are changed.
    • Address various other screen issues for a smoother and more reliable experience

Bug Fixes:

  1. USB Media Library Fix: Resolve an issue where artwork was not displaying.
  2. General Enhancements: Various bug fixes and performance improvements for a smoother experience.


5.2.627135


Release date:

     8 / 23 / 2024


What's New:

  1. LMS Enhancements: Add power control to manage the device's standby mode via LMS.
  2. Playback enhancements:
  • Add artwork display for Radio Paradise on the screen and app
  • Resolve a crash issue that caused unexpected playback stops on Chromecast.
  • Fix playback issues affecting certain custom radios.
  • Fix an issue where the first track was skipped during DLNA playback.


Bug Fixes:

  1. 12V Trigger Out Behavior: Improve to maintain the status of 12V Trigger Out after rebooting.
  2. General Enhancements: Various bug fixes and performance improvements for a smoother experience.


5.2.626448


Release date:

     8 / 16 / 2024


What's New:

  1. Group Enhancement: Resolved an issue that prevented multiple devices from being grouped together.
  2. USB Scan Enhancement: Resolved an issue that prevented the USB scan process from completing and improved the scan speed.


5.2.626261 


Release date:

     8 / 14 / 2024


What's New:

  1. Playback Improvements:
    1. Fixed TIDAL playback skipping and stopping issues.
    2. Resolved Bluetooth playback distortion over long periods.
    3. Reduced playback latency by 100ms.

  2. Screen Enhancements:

       - Improved VU meter responsiveness.

       - Fixed time display issue in the Mexico timezone.


Bug Fixes:

  1. Bluetooth Enhancements: Resolved issue preventing switching to Bluetooth.
  2. General Enhancements: Various bug fixes and performance improvements for a smoother experience.


5.2.625658


Release date:

     8 / 8 / 2024


What's New:

  1. Chromecast Enhancements: 
    • Update Chromecast SDK for a better listening experience.
    • Resolved playback stuttering on certain speakers via digital outputs.
  2. Bluetooth Playback Upgrade: Enhanced Bluetooth playback to reduce latency and eliminate stuttering issues.
  3. Pre-Gain Feature: Added logic for Pre-Gain functionality. Available in the next app update.
  4. Playback Enhancements: 
    • Addressed an issue where Amazon Music and Deezer playback unexpectedly stopped.
    • Fixed a bug preventing Amazon Music and Audible from playing via Alexa.
  5. SSL Certificates Update: Updated SSL Certificates to resolve the TuneIn playback issue in Alexa Multi-room audio.
  6. Voice Control: Added support for switching to Phono input via Alexa for WiiM voice remote.


Bug Fixes:

  1. USB Output Improvement: Resolved the playback distortion issue with the S24_3LE format.
  2. General Enhancements: Various bug fixes and performance improvements for a smoother experience.


5.2.625360


Release date:

     8 / 5 / 2024


What's New:

  1. Enhanced Stability: Fixed crashes with Spotify Connect and TIDAL Connect.
  2. Playback Improvement: Reduced latency by 1 second.
  3. HDMI Playback: Fixed intermittent pauses and resumes.
  4. Squeezelite: Resolved unexpected volume increases when unmuting.


5.2.625032 


Release date:

     8 / 2 / 2024


What's New:

  1. Roon Ready: Official Roon Ready certification achieved, enhancing audio integration and performance. 
    Note: Should the WiiM Ultra not appear as 'Roon Ready' in the Roon app, please restart the app for accurate display.
  2. Per-Channel EQ: Set parametric EQ settings for left and right channels individually (requires app version 2.10.7 or later).
  3. USB Disk Manual Scan: Improved USB media library scanning process.
  4. DSD Playback Enhancement: Now supports playing DSD audio tracks in DFF format.
  5. Screen Display Enhancements: USB output is now shown on the Input screen for easier control.
  6. USB Output Behavior: Device remains in USB Output mode when a USB sound card is connected.


Bug Fixes:

  1. Pop Noise Fix: Reduced pop noise for Spotify Connect and TIDAL Connect.
  2. General Improvements: Various bug fixes and performance enhancements for a smoother experience.


5.2.624365 


Release date:

     7 / 26 / 2024


What's New:

  1. USB Audio: Supports two-channel USB audio output (requires app version 2.10.2 or later). Refer to this tutorial for details.
  2. Refined Input Auto-Sensing: Enhanced for smoother audio transitions with reduced delay.
  3. Soundtrack SDK Enhancement: Upgraded for a better listening experience.
  4. Output Change Enhancement: Preserves the playing queue when switching audio outputs.
  5. Line Out Sound Quality Improvement: Reduced jitter at 12k to enhance analog sound quality via Line Out.
  6. DSD Format Support for USB Disks: Adds the ability to play DSD audio tracks in DSF and DST formats directly from a USB disk.
  7. Screen Display Enhancements: 
    1.  Screen now turns off/on with the remote's power button.
    2.  Correct 12-hour time display.
    3. Option to turn off screen display in standby mode (requires app version 2.10.7).
    4. Fixed issue preventing the screen from turning on.
    5. All tracks displayed for large playlists.
    6. Various other screen issues addressed for a smoother experience.


Bug Fixes:

  1. Pop Noise Fix: Reduced pop noise for Spotify Connect.
  2. Playback Enhancement: Minimized playback latency.
  3. Squeezelite Enhancements: Resolved issues with artwork display and connectivity with the latest Logitech Media Server (LMS).
  4. Amazon Music Playback: Fixed intermittent no sound issues.
  5. General Enhancements: Various bug fixes and performance improvements for a smoother experience.



5.2.623336


Release date:

     7 / 16 / 2024


What's New:

  1. Screen Display Enhancements:
    • Highlighted the currently playing Preset.
    • Playlists with over 200 songs are now shown across multiple pages.
    • Album covers are displayed without stretching.
    • Custom EQ options are now available for selection.
    • Addressed various other screen issues for a smoother and more reliable experience.
  2. Shared Folder: Now supports Samba protocol for music playback, including DSD audio files. Compatible with Android app version 2.10.4+ and the upcoming iOS update.


Bug Fixes:

  1. Bitrate Display for Optical In and HDMI: The correct bitrate for Optical In and HDMI is now shown on the WiiM Home app and screen display.
  2. Bluetooth Playback Improvement: Resolved playback stuttering when the WiiM Ultra is connected to 2.4G Wi-Fi.
  3. Dolby Audio Playback Improvement: Resolved Dolby Audio playback stuttering via HDMI when the output resolution is 44.1kHz.
  4. General Enhancements: Various performance improvements and bug fixes to enhance overall operation.


5.2.622235 


Release date:

     7 / 5 / 2024


What's New:

  1. DLNA Behaviors Enhancement: Added support for loop and shuffle modes in DLNA playback. Also, enables seamless DSD audio file playback via DLNA. 
  2. TIDAL Connect Enhancements: Fixed playback stops, loop and shuffle issues, and incorrect playing status. Correct metadata now displays in multi-room audio.
  3. Subwoofer Output Enhancement: Optimized mono output for enhanced subwoofer sound quality. 
  4. HTTP API Update: Updated to provide browse and control Presets.
  5. Enhanced Energy Efficiency: Improved power consumption when entering standby mode.
  6. Screen Display Enhancements:
    - Highlighted the currently playing Preset
    - Updated the animation for Source Inputs during playback
    - Fixed the issue where the volume indicator was always displayed
    - Resolved the crash caused by large playlists
    - Corrected the playback status display for Source Inputs
    - Fixed incorrect artwork display for Amazon Music
    - Screen display now automatically turns off when entering standby mode
    - Addressed various other screen issues for a smoother and more reliable experience


Bug Fixes:

  1. Alarm Behavior for Spotify Connect: Fixed alarm not stopping automatically when duration ended.
  2. Pop Noise Reduction: Resolved occasional popping noises occurring at 16-bit/44.1 kHz or 16-bit/48 kHz.
  3. General Enhancements: Various performance improvements and bug fixes to enhance overall operation.