How To Fix Samsung Galaxy Note 9 Bluetooth Randomly Turns Off

The #Samsung #Galaxy #Note9 is a premium smartphone released this year which is best known for its large display and its ability to use a stylus. This phone uses a 6.4 inch Super AMOLED display making it the largest display in the Note series of devices. Under the hood is a powerful Snapdragon 845 processor paired with 8GB of RAM allowing the device to run multiple apps smoothly. Although this is a solid performing phone there are instances when certain issues can occur which we will be addressing today.  In this latest installment of our troubleshooting series we will tackle the Galaxy Note 9 Bluetooth randomly turns off issue.

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How To Fix Samsung Galaxy Note 9 Bluetooth Randomly Turns Off

Problem: Bluetooth turns itself off, then bluetooth switch greyed out and cannot turn back on unless all communication settings (wifi passwords, bluetooth settings, etc.) are reset. Maybe a day or two will pass before bluetooth turns itself off and grays out again. If phone is restarted, bluetooth is turned off and grayed out every time immediately. I tried all the steps in your article multiple times- no effect unless master reset. If master reset is performed phone may work ok for a few weeks, and can even be restarted without bluetooth turning off and graying. then bluetooth begins to turn itself off and gray out again in a few weeks. The phone has a setting where it claims no apps have turned off bluetooth..  Thanks.

Solution: The Bluetooth feature of your phone will only turn on and off if you manually switch it. If it is turning off on its own then this is could either be caused by a software glitch or a hardware problem. To fix this issue you should follow the troubleshooting steps listed below.

Start the phone in Safe Mode

Try checking if an app you downloaded is causing the problem by starting the phone in Safe Mode. When the phone operates in this mode only the pre-installed apps are allowed to run.

  • Turn the device off.
  • Press and hold the Power key past the model name screen appearing on the screen.
  • When SAMSUNG appears on the screen, release the Power key.
  • Immediately after releasing the Power key, press and hold the Volume down key.
  • Continue to hold the Volume down key until the device finishes restarting.
  • When Safe mode appears in the bottom left corner of the screen, release the Volume down key.

If the Bluetooth does not randomly turn off in this mode then the problem could be caused by an app you downloaded. Find out what app this is and uninstall it.

Wipe the cache partition of the phone

Over the course of time the phone will accumulate a large amount of temporary system data which is required to make certain apps run faster. There are instances when this data gets corrupted which can cause issues to the phone which is why wiping the cache partition of the device is highly recommended.

  • Turn off the device.
  • Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  • When the Android logo displays, release all three keys.
  • An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
  • Press the Volume down key several times to highlight wipe cache partition.
  • Press Power key to select.
  • Press the Volume down key to highlight yes, them and press the Power key to select.
  • When the wipe cache partition is complete, Reboot system now is highlighted.
  • Press the Power key to restart the device.

Backup your phone data then do a factory reset

One last troubleshooting step to consider is a factory reset. This will revert your phone back to its original factory condition. Make sure to backup your phone data before performing this step as it will be deleted in the process.

  • Backup data on the internal memory. If you have signed into a Samsung account on the device, you have activated Anti-theft and will need your Samsung credentials to finish the master reset.
  • From the Home screen, swipe up on an empty spot to open the Apps tray.
  • Tap Settings > Cloud and accounts > Backup and restore.
  • Tap the following sliders to desired setting:
  • Back up my data
  • Automatic restore
  • Tap the Back key (bottom right) until you reach the main Settings menu.
  • Tap General Management > Reset > Factory data reset.
  • Scroll to the bottom of the screen, then tap RESET > DELETE ALL.
  • If you have screen lock turned on, enter your credentials.
  • If prompted to verify your Samsung account, enter the password, then tap CONFIRM.
  • Wait for the device to reset.

After the reset has completed do not install any apps in your phone just yet. Try to check first if the issue still occurs. In case it does then this could already be caused by a faulty Bluetooth chip. The best thing to do in this case is to bring the phone to a service center and have it checked.

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