How to Fix Samsung Galaxy S21 Bluetooth Issues

Bluetooth connectivity problems on the Galaxy S21 can cause pairing failures, audio stuttering, or random disconnections. Follow these steps to fix them.

Method 1: Toggle Bluetooth

1. Swipe down to open Quick Settings.
2. Tap Bluetooth to turn it off.
3. Wait 10 seconds.
4. Turn Bluetooth back on.
5. Try reconnecting your device.

Method 2: Unpair and Re-pair

1. Go to Settings > Connections > Bluetooth.
2. Tap the gear icon next to the paired device.
3. Tap Unpair.
4. Put the Bluetooth accessory into pairing mode.
5. Re-pair it from the Bluetooth settings.

Method 3: Clear Bluetooth Cache

1. Go to Settings > Apps.
2. Tap the three-dot menu and select Show system apps.
3. Find Bluetooth and tap it.
4. Tap Storage > Clear cache.
5. Restart your phone and test Bluetooth.

Method 4: Reset Network Settings

1. Go to Settings > General management > Reset.
2. Tap Reset network settings.
3. Confirm and restart your phone.
4. Re-pair all Bluetooth devices.
5. This clears all Wi-Fi, Bluetooth, and cellular settings.

Method 5: Update Software

1. Go to Settings > Software update.
2. Tap Download and install.
3. Install any pending updates.
4. Samsung frequently patches Bluetooth bugs in software updates.
5. Restart and test your Bluetooth connection.