What might cause this?
Similar symptoms can have different causes across models and software versions. These are possibilities, not a diagnosis.
Possible causes
- App-wide or category-specific notifications may be off.
- The app may be in Deep sleeping apps.
- Do Not Disturb may suppress alerts.
- Alert volume or Mute all sounds accessibility setting may block audible alerts.
What can you try?
Try these safe, user-level checks in order; do not open the device. Menu labels may differ by version.
- 01
Step 1
Determine whether alerts are absent or merely silent.
- 02
Step 2
In Settings > Notifications > App notifications, allow alerts for the affected app.
- 03
Step 3
Enable/manage notification categories in advanced settings and review sound/pop-up choices.
- 04
Step 4
Review power saving and Deep sleeping apps; remove an app requiring immediate alerts from deep sleep.
- 05
Step 5
Review Do Not Disturb, alert volume and Accessibility > Hearing enhancements > Mute all sounds.
How can you confirm the fix?
Send a test message and confirm visual and audio notifications separately.
When should you contact service?
Request Samsung diagnostics if all apps fail or the issue persists after software updates.
⚠ Stop using a device if it overheats, shows liquid damage, smells burnt or has a swollen battery.
Will a repair cost money?
Settings, cables and user checks may require no repair. Hardware costs depend on the exact model, warranty and service diagnosis; no fixed price is promised.
Quick answers
Could these checks affect warranty?
Use only external checks recommended for end users by the manufacturer. Opening batteries, electronics or sealed parts can create safety and warranty risks.
What if the steps do not help?
Write down your model, software version and test results. Share those details with official support rather than repeating potentially unsafe actions.
How was this sourced?
Model coverage: Menu names and notification categories depend on One UI version.
This is an original summary of the manufacturer support document; use the official page for current, model-specific instructions.
Open official manufacturer document ↗Features and model coverage vary. Compare the source with your exact model.