WiiM Amp Ultra Firmware v5.2.730559 Update - Sep 26, 2025

Please review the WiiM Amp Ultra update release notes below. If you encounter any issues, feel free to reach out to us. This firmware update is being rolled out in stages, with devices updating sequentially over the next few days.

5.2.730559 (In Progress)​

Release date:

9 / 26 / 2025

What's New:

1. Amazon Music – Faster resume after long pauses and improved casting stability from the Amazon Music app.

Bug Fixes:

1. Dolby Audio – Eliminated playback noise and fixed subwoofer no-sound cases.
2. USB Library – Refined image resizing for crisper album art.
3. Pandora – Resolved track skipping after resume and login failures.
4. Alarms – Station-based alarms now trigger reliably.
5. TuneIn – Apple Music radio via TuneIn now resumes after long pauses; reduced radio playback failures.
6. KKBOX – Fixed playback interruptions and corrected bitrate reporting.
7. General – Stability, performance, and other minor fixes.

 

[QuarryHunslet]

My Amp Ultra has just received this update.