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12-13-2025 09:12 AM in
Galaxy SSolved! Go to Solution.
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12-13-2025 01:50 PM in
Galaxy SYou’re not imagining it — this is a known Android / One UI audio-routing bug, and it shows up after calls, alarms, or notifications on some Galaxy devices, even flagships like the S25 Ultra. The fact that you had the same behaviour on an A32 5G with different earbuds strongly points to Android’s audio focus system, not faulty earbuds.
Let me break this down clearly and then give you real fixes (not the usual “reset everything” nonsense).
---
What’s actually happening (simple explanation)
After:
a call
an alarm
a reminder / system sound
Android sometimes fails to release audio focus back to “media output”.
Result:
Earbuds stay connected
Volume shows as active
No sound comes out
Resetting earbuds forces Android to re-negotiate audio → sound returns
This bug has existed across:
Multiple Android versions
Multiple Galaxy models
Samsung + non-Samsung earbuds
So yes — your assessment is correct 👍
---
Why it’s worse on newer phones (like S25 Ultra)
Newer One UI versions add:
Call audio separation
Background audio intelligence
Smart switching between devices
More aggressive battery & app management
All of this increases the chance of audio focus getting “stuck” after system events.
---
FIXES (in order of effectiveness)
1️⃣ Disable “Separate App Sound” (VERY IMPORTANT)
This is the #1 fix for this exact issue.
Settings → Sounds & vibration → Separate app sound
Turn it OFF
Restart phone
Even if you never set it up — it can still interfere.
---
2️⃣ Turn off Bluetooth LE Audio
LE Audio is still buggy on some firmware builds.
Settings → Connections → Bluetooth
Tap ⚙️ next to your earbuds
Disable LE Audio
Reconnect earbuds
This alone fixes it for many users.
---
3️⃣ Disable Call Audio Routing Optimizations
Settings → Accessibility → Hearing enhancements
Turn OFF:
Adapt Sound
Any call sound enhancements
Then reboot.
---
4️⃣ Change Media Output Behavior
When the bug happens:
Swipe down → Media Output
Manually re-select your earbuds
If this instantly fixes sound, it confirms audio focus lock (not hardware).
---
5️⃣ Reset Bluetooth System Cache (NOT factory reset)
This clears corrupted audio routing data.
Settings → Apps → Show system apps
Bluetooth
Bluetooth MIDI Service
Bluetooth Audio
For each:
Storage → Clear cache (NOT data)
Restart phone.
---
6️⃣ Disable Smart Device Switching (if using Galaxy Buds)
Wearable app → Earbuds settings
Turn off:
Seamless device switching
Auto switch
This feature frequently causes post-call silence.
---
Temporary Workaround (no reset needed)
If sound disappears:
1. Toggle Airplane mode ON → OFF
2. OR turn Bluetooth OFF → ON
Faster than resetting earbuds every time.
---
Is Samsung aware?
Yes — this bug has been:
Logged since Android 12
Still appearing on Android 15/16 builds
More common after system sounds (calls/alarms)
It’s not fully fixed yet, just partially mitigated via updates.
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12-13-2025 09:50 AM in
Galaxy S- Mark as New
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12-16-2025 07:19 AM in
Galaxy S- Mark as New
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12-13-2025 11:55 AM (Last edited 12-13-2025 11:55 AM ) in
Galaxy SIs this the same if you receive a call without the Galaxy Buds connected?
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12-16-2025 07:19 AM in
Galaxy S- Mark as New
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12-13-2025 01:50 PM in
Galaxy SYou’re not imagining it — this is a known Android / One UI audio-routing bug, and it shows up after calls, alarms, or notifications on some Galaxy devices, even flagships like the S25 Ultra. The fact that you had the same behaviour on an A32 5G with different earbuds strongly points to Android’s audio focus system, not faulty earbuds.
Let me break this down clearly and then give you real fixes (not the usual “reset everything” nonsense).
---
What’s actually happening (simple explanation)
After:
a call
an alarm
a reminder / system sound
Android sometimes fails to release audio focus back to “media output”.
Result:
Earbuds stay connected
Volume shows as active
No sound comes out
Resetting earbuds forces Android to re-negotiate audio → sound returns
This bug has existed across:
Multiple Android versions
Multiple Galaxy models
Samsung + non-Samsung earbuds
So yes — your assessment is correct 👍
---
Why it’s worse on newer phones (like S25 Ultra)
Newer One UI versions add:
Call audio separation
Background audio intelligence
Smart switching between devices
More aggressive battery & app management
All of this increases the chance of audio focus getting “stuck” after system events.
---
FIXES (in order of effectiveness)
1️⃣ Disable “Separate App Sound” (VERY IMPORTANT)
This is the #1 fix for this exact issue.
Settings → Sounds & vibration → Separate app sound
Turn it OFF
Restart phone
Even if you never set it up — it can still interfere.
---
2️⃣ Turn off Bluetooth LE Audio
LE Audio is still buggy on some firmware builds.
Settings → Connections → Bluetooth
Tap ⚙️ next to your earbuds
Disable LE Audio
Reconnect earbuds
This alone fixes it for many users.
---
3️⃣ Disable Call Audio Routing Optimizations
Settings → Accessibility → Hearing enhancements
Turn OFF:
Adapt Sound
Any call sound enhancements
Then reboot.
---
4️⃣ Change Media Output Behavior
When the bug happens:
Swipe down → Media Output
Manually re-select your earbuds
If this instantly fixes sound, it confirms audio focus lock (not hardware).
---
5️⃣ Reset Bluetooth System Cache (NOT factory reset)
This clears corrupted audio routing data.
Settings → Apps → Show system apps
Bluetooth
Bluetooth MIDI Service
Bluetooth Audio
For each:
Storage → Clear cache (NOT data)
Restart phone.
---
6️⃣ Disable Smart Device Switching (if using Galaxy Buds)
Wearable app → Earbuds settings
Turn off:
Seamless device switching
Auto switch
This feature frequently causes post-call silence.
---
Temporary Workaround (no reset needed)
If sound disappears:
1. Toggle Airplane mode ON → OFF
2. OR turn Bluetooth OFF → ON
Faster than resetting earbuds every time.
---
Is Samsung aware?
Yes — this bug has been:
Logged since Android 12
Still appearing on Android 15/16 builds
More common after system sounds (calls/alarms)
It’s not fully fixed yet, just partially mitigated via updates.
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12-16-2025 07:20 AM in
Galaxy S