Bluetooth
🔗
Audio crackling or distorted
Symptoms
- ✓Sound quality is poor with crackling or static
- ✓Issue present on Samsung Galaxy S21, S21+, S21 Ultra, and S21 FE model
- ✓Problem started recently or suddenly
- ✓Affects multiple functions or specific scenario
- ✓Occurs with and without Wi-Fi/Cellular enabled
Common Causes
- •Software bug or glitch in current Android version
- •Hardware malfunction specific to Samsung Galaxy S21, S21+, S21 Ultra, and S21 FE
- •Corrupted cache or temporary system files
- •Background processes consuming resources
- •Recent app installation or update causing conflict
- •Low available storage affecting system performance
Quick Fixes
- 1.Restart your device - hold side button and slide to power off, wait 30 seconds, then turn on
- Restart your device - hold side button and slide to power off, wait 30 seconds, then turn on
- 2.Update to latest Android version available
- Update to latest Android version available
Advanced Solutions
1. Reset network settings in Settings → General Management → Reset
- Step 1: Reset network settings in Settings → General Management → Reset
2. Clear app cache by uninstalling and reinstalling problematic app
- Step 1: Clear app cache by uninstalling and reinstalling problematic app
3. Force quit background apps using Recent Apps
- Step 1: Force quit background apps using Recent Apps
4. Reset all settings without erasing data
- Step 1: Reset all settings without erasing data
5. Perform factory reset if issue persists after all steps
- Step 1: Perform factory reset if issue persists after all steps
FAQ
Why is there no sound coming from my speaker?
Check volume levels, ensure Do Not Disturb is off, and restart the device. If no speaker sound appears in apps, test with different audio sources first.
How do I fix low speaker volume?
Adjust volume levels in Settings, check app-specific volume, and ensure media volume is not muted. Clean speaker grilles if dust is blocking sound output.
Why is my microphone not working?
Verify app permissions for microphone access, restart the device, and test in different apps. If no apps have microphone access, reset app permissions in Settings.
Can I improve audio quality?
Use an external microphone for better recording, enable audio enhancements in Settings, and test different audio formats or codecs.