# Issues with m4a file lyrics(UNSYNCEDLYRICS) in v3.32

**URL:** https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442
**Category:** Fixed Bugs
**Tags:** bug-fixed
**Created:** [January 2, 2026, 8:24am UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442 "2026-01-02T08:24:10Z")
**Posts on this page:** 7
**Page:** 1

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### Author: ![tibeo](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/t/48db29/32.png) [@tibeo](https://community.mp3tag.de/u/tibeo)
#### Post date: [January 2, 2026, 8:24am UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442/1 "2026-01-02T08:24:10Z")

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I would like to report a potential bug regarding `UNSYNCEDLYRICS` in m4a files in v3.32.

I am currently using v3.32 on my desktop and v3.30 on my laptop. I noticed that lyrics written to m4a files using v3.32 do not appear on my smartphone (Musicolet app), whereas they work perfectly when using v3.30.

Here is the summary of my situation:

- **mp3** + v3.32 (`UNSYNCEDLYRICS`) → **Working**

- **m4a** + v3.30 (`UNSYNCEDLYRICS`) → **Working**

- **m4a** + v3.32 (`UNSYNCEDLYRICS`) → **NOT Working** (Lyrics not detected)

Could you please check if this is a regression?

Thank you.

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### Author: ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [January 2, 2026, 8:29am UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442/2 "2026-01-02T08:29:00Z")

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As we do not have you test app and your smartphone:  
could you check the extended tags dialogue for the files where it works and those where it does not work?

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<div class="post-metadata">

### Author: ![tibeo](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/t/48db29/32.png) [@tibeo](https://community.mp3tag.de/u/tibeo)
#### Post date: [January 2, 2026, 8:49am UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442/3 "2026-01-02T08:49:22Z")

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![image](https://community.mp3tag.de/uploads/default/original/3X/9/7/97ed48ccd4b71475d9cbf8c31d234ba6ddc40354.png)

 ![image](https://community.mp3tag.de/uploads/default/original/3X/b/f/bf8ae678ba0824adfd76583c28600298ec988444.png)The first screenshot is the dialogue of the working file, and the second one is from the file that does not work. The contents of UNSYNCEDLYRICS are same.

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### Author: ![Florian](https://community.mp3tag.de/user_avatar/community.mp3tag.de/florian/32/5759_2.png) [@Florian](https://community.mp3tag.de/u/Florian)
#### Post date: [February 9, 2026, 2:42pm UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442/4 "2026-02-09T14:42:51Z")

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Is this still happening with latest v3.33.1?

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<div class="post-metadata">

### Author: ![tibeo](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/t/48db29/32.png) [@tibeo](https://community.mp3tag.de/u/tibeo)
#### Post date: [February 11, 2026, 3:50pm UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442/5 "2026-02-11T15:50:09Z")

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I’ve just checked the latest version v3.33.1, and it seems the bug has been fixed. Everything is working correctly now. I appreciate your help with this.

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<div class="post-metadata">

### Author: ![Florian](https://community.mp3tag.de/user_avatar/community.mp3tag.de/florian/32/5759_2.png) [@Florian](https://community.mp3tag.de/u/Florian)
#### Post date: [February 11, 2026, 4:47pm UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442/6 "2026-02-11T16:47:47Z")

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Thank you for trying with the latest version, glad it's back working!

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### Author: ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)
#### Post date: [February 25, 2026, 4:48pm UTC](https://community.mp3tag.de/t/issues-with-m4a-file-lyrics-unsyncedlyrics-in-v3-32/70442/7 "2026-02-25T16:48:09Z")

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