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S25 ultra Bluetooth issue

(Topic created on: 2 weeks ago)
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Ankit1102
Apprentice

2 weeks ago - last edited 2 weeks ago

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Since last 5-6 days, whenever I try to connect my buds 3 Pro to my Samsung s25 ultra, it connects properly but there is no sound coming from the apps like YouTube or Instagram. I even tried with different earbuds and the same issue persist with every buds.  If I restart my phone it works perfectly for sometime and then the same issue occurs again. I went to the service centre for this and they first did a network reset, then they clear the app cache and a reset again, and finally they told me to do a factory reset of my phone which I did ( it was such a hassle ). And after all this the problem is still there, really frustrated and really pissed at Samsung. 

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4 REPLIES 4
Saintsfate
Pathfinder

2 weeks ago

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Make sure you turn on audio permission for the Bluetooth headphones being used.
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Dharoka
Apprentice

a week ago

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It sounds like you’ve been through a major hassle with your Samsung Galaxy S25 Ultra and Buds 3 Pro connectivity issues—only for the problem to persist even after a factory reset. That’s beyond frustrating, especially when service center steps didn’t fix it.

Possible Causes & Fixes to Try

Since restarting temporarily fixes it, but the issue returns, this suggests a software/OS-level conflict rather than hardware failure. Here’s what could be happening:

1. Bluetooth Stack Corruption

  • The Bluetooth driver or system process may be crashing silently.

  • Fix:

    • Go to Settings > Apps > Show system apps (⋮ menu) > Search for "Bluetooth" > Force Stop + Clear Cache + Clear Data.

    • Then, restart your phone and reconnect the buds.

2. Samsung Sound Assistant / Audio Relays

  • Samsung’s audio routing (especially with Dolby Atmos, 360 Audio, or Labs features) can sometimes glitch.

  • Fix:

    • Go to Settings > Sounds and vibration > Sound quality and effects > Turn off Dolby Atmos temporarily.

    • Disable "Separate app sound" (if enabled).

    • Try disabling "Samsung Sound Assistant" (if installed).

3. App-Specific Audio Routing Bug

  • Some apps (like YouTube, Instagram) may lose audio focus due to a One UI bug.

  • Fix:

    • Go to Settings > Apps > [YouTube/Instagram] > Battery > Unrestricted (prevents audio cuts).

    • In Developer Options (enable if hidden), check "Disable absolute volume" and toggle it.

4. Firmware Mismatch (Buds 3 Pro)

  • If the buds’ firmware is outdated or conflicts with One UI 6.1/7.0, audio may drop.

  • Fix:

    • Open Galaxy Wearable app > Earbuds settings > Update firmware.

    • If no update, try resetting the buds (forget device + re-pair).

5. Deep System Reset (Beyond Factory Reset)

  • If factory reset didn’t help, the issue might be tied to firmware partitions.

  • Nuclear Option:

    • Flash stock firmware via Odin (download latest S25 Ultra firmware from Frija/SamFirm).

    • Or, visit a different service center and demand board-level diagnostics.

6. Temporary Workaround

  • When audio stops, try toggling Bluetooth off/on or switching audio codecs (AAC/SBC in Developer Options).

MMACYNTHIA
First Poster

Thursday

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I have this same issue and I have tried everything possible. It's driving me crazy. Still can't connect
Ankit1102
Apprentice

Friday

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In response to Dharoka

Thank you for the detailed solution! I did try few things. I don't know what worked but from the last couple of days the issue has not come up again. Touchwood. 

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