WiiM Ultra Firmware v5.2.714249 - Apr 18, 2025

Please review the WiiM 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.

5.2.714249​


Release date:

4 / 18 / 2025

What's New:

  1. Smarter HDMI ARC: Your WiiM Ultra will no longer act as a TV speaker when not in HDMI mode—giving you more control. Learn More
  2. DLNA Casting: Stream audio to any DLNA-enabled speaker for flexible whole-home listening. (Let us know if you run into compatibility issues!) Learn More
  3. Track-End Sleep Timer: New option to pause playback at the end of a track—perfect for winding down. (Requires app update: iOS 3.1.9 / Android 3.1.8)
  4. Auto-Resume Playback for Soundtrack: Playback resumes automatically after OTA updates, reboots, or network reconnections.
  5. Enhanced VU Meter: Smoother, more responsive visual performance.
  6. Group Volume via TV Remote: Control group volume directly using your TV remote.
  7. Screen Display Improvements: Input alias names now display correctly on the device screen.
  8. Wi-Fi Boost: Faster network scanning and connection times.
  9. Roon Sync: Improved multi-room sync for Roon users.

Bug Fixes:

  1. Amazon Music: Fixed playback issues for Prime users.
  2. Spotify Presets: Resolved unexpected ungrouping during group playback.
  3. TIDAL: Fixed skipping, playback errors, and incorrect quality cap on 24-bit/96kHz optical/coax outputs.
  4. Qobuz: Fixed track-start issues after skipping and unexpected playback jumps.
  5. Radio Paradise Enhancements: Resolved issues with track repetition during playback and fixed login failures caused by special characters.
  6. Alarm Fix: Resolved issues affecting alarms in Daylight Saving Time zones.
  7. General Performance: Stability improvements and behind-the-scenes optimizations.
 
Last edited:
Click to expand...
Anyone else having massive lip sync issues when watching TV (using hdmi arc) after this latest firmware? Ticket raised because I can't watch TV like this, it's horrible!
 
bever70 said:
Anyone else having massive lip sync issues when watching TV (using hdmi arc) after this latest firmware? Ticket raised because I can't watch TV like this, it's horrible!
Click to expand...
I noticed lip sync issues with TV sound via optical input, so perhaps it is related.
 
hgo58 said:
I had it until I performed a new "Synch Audio".
Click to expand...
Afaik sync audio is for syncing when using different speakers (in different room setups), not for TV? Because no matter how I change the manual sync, it doesn't change anything for the lip sync problem.
 
bever70 said:
Afaik sync audio is for syncing when using different speakers (in different room setups), not for TV? Because no matter how I change the manual sync, it doesn't change anything for the lip sync problem.
Click to expand...
Ok. It did for me. Changed the timing with about +25ms. The sync via HDMI is fine now. Was really bad before.

The sync measures how long time the processing of the signal is before coming out of the speakers.

Maybe you can control the picture delay on the TV to match this?

Or if TV out is not set to PCM, try that.
 
hgo58 said:
Ok. It did for me. Changed the timing with about +25ms. The sync via HDMI is fine now. Was really bad before.

The sync measures how long time the processing of the signal is before coming out of the speakers.

Maybe you can control the picture delay on the TV to match this?

Or if TV out is not set to PCM, try that.
Click to expand...
Tv is always set to PCM here. I'll see if I can change anything on the TV...
 
Ok, having watched different shows/programs on different stations now, things seem back to normal. Very weird...
 
After the v5.2.711448 - Mar 22, 2025 update I was having issues with the TV/HDMI mode. When I would change the audio input mode to ethernet or other source and then back to TV the audio would not work on the TV/HDMI input. After this update, v5.2.714249 - Apr 18, 2025, this is no longer an issue.
 
I can well do without "smarter HDMI ARC" if it results in lip sync issues, 75% of what I use my Ultra for is watching TV either streaming from Prime, Netflix, Disney + and Plex. For that it's the best thing I've purchased, I'll keep reading this post till Wiim have cleared up all the problems that preople seem to be getting then I will think about upgrading the firmware. Thanks to all you folks who are posting your concerns on this forum, much appreciated.
 
Recently updated to 5.2.714249 with build date 20250418. After playing music without issue from early am today, mid morning suddenly no sound output over coax to my DAC. Checked everything and the WiiM is ‘playing music’ but no sound from my speakers. Was short of time so tried reboot, remove power then wait and power back on. Again, looks lie music playing but no sound either streaming or via my has attached to usb. I’m guessing a factory reset?
 
teddybear said:
Recently updated to 5.2.714249 with build date 20250418. After playing music without issue from early am today, mid morning suddenly no sound output over coax to my DAC. Checked everything and the WiiM is ‘playing music’ but no sound from my speakers. Was short of time so tried reboot, remove power then wait and power back on. Again, looks lie music playing but no sound either streaming or via my has attached to usb. I’m guessing a factory reset?
Click to expand...
I just had a similar issue. After switching the output from DLNA back to line out, no sound from my speakers. Fortunately, a reboot fixed my issue.
 
hgo58 said:
Ok. It did for me. Changed the timing with about +25ms. The sync via HDMI is fine now. Was really bad before.

The sync measures how long time the processing of the signal is before coming out of the speakers.

Maybe you can control the picture delay on the TV to match this?

If TV out is set to PCM, I see LPCM on the Ultra. many issues lately, sometimes lipsync, but mainly audio dropouts. Wiim support said it was better to use AC3, and used TV DD out for a long time without issue. might be the google streamer since I just heard an audio dropout streaming Netflix with TV set to PCM.
Click to expand...
 
CliffyBC said:
I can well do without "smarter HDMI ARC" if it results in lip sync issues, 75% of what I use my Ultra for is watching TV either streaming from Prime, Netflix, Disney + and Plex. For that it's the best thing I've purchased, I'll keep reading this post till Wiim have cleared up all the problems that preople seem to be getting then I will think about upgrading the firmware. Thanks to all you folks who are posting your concerns on this forum, much appreciated.
Click to expand...

using PCM or DD output on your TV? Internal TV apps or streamer? Is the dialog fine? do you feel the need to adjust volume to hear dialog between loud passages?
 
teddybear said:
Recently updated to 5.2.714249 with build date 20250418. After playing music without issue from early am today, mid morning suddenly no sound output over coax to my DAC. Checked everything and the WiiM is ‘playing music’ but no sound from my speakers. Was short of time so tried reboot, remove power then wait and power back on. Again, looks lie music playing but no sound either streaming or via my has attached to usb. I’m guessing a factory reset?
Click to expand...
Hi teddybear,

I'm sorry for the inconvenience. Please send us a feedback ticket using the WiiM Home App. Our engineer will troubleshoot and resolve this for you promptly. Thank you for your patience and support!
 
ytsejam1138 said:
I just had a similar issue. After switching the output from DLNA back to line out, no sound from my speakers. Fortunately, a reboot fixed my issue.
Click to expand...
Hi ytsejam1138,

I'm sorry for the inconvenience. Please send us a feedback ticket using the WiiM Home App. Our engineer will troubleshoot and resolve this for you promptly. Thank you for your patience and support!
 
hgo58 said:
There has been an issue with HDMI CEC Power Control right from the start. When enabled it works as expected but if disabled a connected TV still "see" the WiiM Ultra, even when the Ultra is in standby. So to avoid that the TV changes to external speakers every time it is turned on, I need to disconnect the HDMI cable unless I want to listen via the WiiM.

I surely hope this is what had been fixed now.
Click to expand...
Hi hgo58,

I’m not sure I fully understand your requirement—could you please elaborate a bit more?

In general, if you prefer to use your TV’s internal speakers, you can select them directly in your TV’s audio settings. When you want to switch to the WiiM device, simply select external speakers as the output target.

The option you're referring to is designed for a special case:
If the TV is set to external speakers but the WiiM device is in a different input mode (not HDMI), the device won't automatically switch to HDMI unless this setting is enabled.

Let me know if you need any further clarification—I’m happy to help!
 
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