Fix Galaxy A11/A21/A31/A41/A51 Bluetooth Issue

Having Bluetooth issues on your Samsung phone? If you are unable to connect your phone to a bluetooth device or if the bluetooth keeps disconnecting or stuttering, there are some solutions you can try.

In this article, we have listed some effective solutions that can help fix Bluetooth connectivity/stuttering problem on your Samsung Galaxy A11, A21, A31, A41 or A51 series phone. Read on.

How to fix Bluetooth issues on Samsung Galaxy A11, A21, A31, A41 and A51

If you are experiencing Bluetooth issues with your smartphone, here are some solutions you can try.

1. Reboot the device

Random system errors can lead to flaky connection and cause your phone to keep disconnecting from a bluetooth device. Try restarting both your phone and the bluetooth device to check if the problem resolves. Doing this allows the devices to refresh and eliminate the temporary glitches that may be affecting the bluetooth system.

2. Reset the bluetooth system

Sometimes your device can experience system malfunction and that may affect the device’s Bluetooth system and hinder the pairing process. Try resetting the bluetooth and see if that clears the problem.

Here’s how you can reset the bluetooth system on your device.

  • Go to Settings
  • Then tap on Apps
  • Next click the 3 dot vertical menu on the top right and then tap on Show system apps
  • Now scroll through the apps list and tap on Bluetooth
  • Next tap on Storage
  • Now tap on Clear cache
  • Then tap on Clear data and then confirm OK
  • Now go back to Bluetooth app and scroll down and then tap on Change system settings
  • Tap on Allow permission and make sure permission switch is turned on.

After you have done this, restart your phone and then try pairing the devices again to see if the problem is fixed.

3. Try the airplane mode trick

The airplane mode trick has been found to be an effective solution to fix most network related problems. When you turn on the airplane mode, it will reset all wireless network services on your device thereby eliminating any flaws that may be affecting the device’s network system. To carry out the Airplane mode trick on your device, follow the below steps:

  • Go to Settings
  • Tap on Connections
  • Tap on Airplane mode and then toggle the switch to turn airplane mode on for a few seconds and then turn it off.

4. Unpair bluetooth devices

If your phone is currently connected with another bluetooth device, try unpairing  the device from your phone as it can cause conflict with the pairing process. Doing this helps helps clear the conflicts and allows the device to initiate a fresh new connection.

To unpair devices, follow the steps below:

  • Go to Settings
  • Then tap on Connections
  • Next tap on Bluetooth
  • Now tap on the gear settings icon next to each devices and then tap Unpair to remove the devices.

Once you have removed the paired devices, restart the phone and then try pairing the devices again.

5. Reset network settings

A network settings reset will delete all existing network settings including your WiFi network, Mobile data and Bluetooth connections and restored to their default configurations. Doing this helps clear network settings conflicts or incorrect network configurations that may be causing issues with your device’s network system including Bluetooth.

Here’s how to reset network settings.

  • Go to Settings
  • Scroll down and tap on General management
  • Then tap on Reset
  • Next tap on Reset network settings
  • Now tap on Reset settings button
  • Finally tap Reset to confirm the reset

6. Disable power saving mode

If you have enabled power saving mode on your phone, try turning it off as it can block apps or services from running in the background. If your Bluetooth connection keeps dropping, it may be that the power saving mode feature is not allowing the connection to stay on. To turn off the power saving mode, here’s how to do that.

  • Swipe down the Quick settings panel
  • Then tap the Power mode icon to disable the power saving mode

7. Clear system cache

Sometimes the Bluetooth service may stop functioning if there is an issue with your device’s system cache. Try clearing the system cache and see if that isn’t causing the bluetooth issue.

Here’s how you can clear system cache on your device.

  • Turn off the device
  • Press and hold the Volume Up key and the Bixby/Power key.
  • Continue to hold both keys until Android Recovery menu options appear
  • Press the Volume down key and navigate to Wipe cache partition
  • Press Bixby/Power key to select
  • Press the Volume down key to highlight Yes, then press the Bixby/Power key to select
  • When the process is complete, Reboot system now is highlighted
  • Press the Bixby/Power key to restart the device.

8. Check for software update

The problem may also be caused by some bug in the device software. Check if there are updates available for the software and perform an update if available. To check and install software updates, follow the below steps.

  • Go to Settings
  • Tap on Software update
  • Then tap on Download and install to download and install the update.

9. Factory reset the device

If the issue started after a recent software update, then the problem is probably firmware related. Performing a factory reset of your device can resolve the issue in such cases. However, this procedure will delete all your files and data so perform a backup if possible before proceeding with the reset operation.

Perform the following steps to factory reset your device.

  • Turn off your device
  • Then press and hold the Bixby/Power and Volume Up keys for few seconds
  • When the device logo is displayed, release the keys and wait until the Recovery menu appears
  • Use the Volume Down key to highlight and select “Wipe Data/Factory Reset
  • Press the Bixby/Power key to select the option
  • Use the Volume Down button and highlight Factory data reset option
  • Press the Bixby/Power key to proceed
  • After the factory reset completes, you will see the recovery menu again

10. Try pairing with another bluetooth device

Sometimes the problem could be with the Bluetooth device itself. To check if that isn’t the case, try pairing your phone with another bluetooth device and see if the issue persists. If you are able to connect and the connection is stable, then the problem lies with the first device and that needs to be looked into.


If the problem still persists after trying all the tips suggested above, and your phone is not able to connect with any bluetooth devices, then it’s most likely hardware related or a dysfunctional Bluetooth component on the phone. If that is the case, take your phone to the nearest Samsung care center for a closer inspection of the device and further assistance on the issue.