Bose Earbuds (Left) Not Working: How to Fix

Bose Earbuds are one of the most popular and well-respected brands in the world of wireless earbuds. They are known for their superior sound quality, long battery life, and excellent design.

However, being one of the most reliable brands out there doesn’t mean they won’t experience issues from time to time. One of the most common problems that Bose Earbuds users encounter is the left earbud not working. If you’re experiencing this issue, don’t worry, as there are several ways to fix it.

In this article, we’ll be taking a detailed look at why your Bose left earbud may not be working and how to fix it. We’ll provide you with a step-by-step guide on troubleshooting the issue so you can enjoy your music once again.

bose earbuds left not working

Bose Earbuds (Left) Not Working: Likely Causes

Before we dive into the solutions, let’s take a look at some of the common reasons why your left earbud may not be working.

  • Battery life: The battery life of your left earbud may be low, and it’s unable to connect to your device.
  • Physical damage: Another reason why the left earbud might be failing to connect is due to it being damaged physically. This can result in a reduction in sound quality or no sound at all.
  • Connectivity issues: The left earbud may not be connecting to your device properly, causing no sound or a reduction in sound quality.
  • Software issues: The software of your earbuds may have issues, leading to problems with sound quality or connectivity.
  • Dirty earbuds: In some cases, accumulated dirt and debris on the earbuds could be affecting the sound quality.

Bose Earbuds (Left) Not Working: DIY Fixes

Now that we’ve identified some common reasons why your left earbud may not be working let’s take a look at the solutions.

Fix 1: Charge your Earbuds

The first and most obvious solution is to check if your earbuds are charged. To charge your earbuds, place them in the charging case and make sure the case is charging. If the left earbud still doesn’t work after charging, try resetting the earbuds by following the steps below.

Fix 2: Reset Your Earbuds

To reset your earbuds, follow the instructions below:

  • Remove the earbuds from the charging case.
  • Turn off your device’s Bluetooth and disconnect it from your earbuds.
  • Press and hold the button on the right earbud for 10 seconds. Release the button when the LED light on the earbud turns white.
  • Put the earbuds back in the charging case.
  • Wait for at least 30 seconds, then take the earbuds out of the charging case.
  • Turn on Bluetooth on your device and reconnect it to your earbuds.
  • Test if the left earbud is working properly.

Fix 3: Clean Your Earbuds

Sometimes, dirt and debris can accumulate on your earbuds, leading to a reduction in sound quality. To clean your earbuds, follow these directions:

  • Turn off your earbuds and remove the ear tips.
  • Use a soft-bristled toothbrush to gently brush away any dirt or debris on the earbuds.
  • Use a microfiber cloth or a cotton swab to wipe away any remaining dirt.
  • Reattach the ear tips and test if the left earbud is working properly.

Fix 4: Update your Earbuds’ Firmware

If your earbuds are not updated to the latest firmware, you may experience issues with connectivity or sound quality. To update your earbuds’ firmware, follow these steps:

  • Download the Bose Connect app on your device.
  • Open the app and connect to your earbuds.
  • If an update is available, follow the on-screen instructions to download and install the update.
  • Once the update is complete, test if the left earbud is working properly.

Fix 5: Check for Physical Damage

If none of the above solutions have worked, it’s possible that there is physical damage to your left earbud. Check for any visible damage, such as cracks, dents, or scratches. If you find any damage, reach out to Bose customer support.

How To Prevent Bose Earbuds’ Issues

Prevention is always better than cure, and the same goes for issues with your Bose Earbuds. Here are some tips to help prevent earbuds not working issues in the future:

  • Store your Earbuds Properly: Make sure to store your earbuds properly in their charging case when not in use. This will prevent any damage to the earbuds or the charging case.
  • Keep Your Earbuds Clean: Clean your earbuds regularly to prevent dirt and debris buildup. This will help to maintain the sound quality and prolong the lifespan of your earbuds.
  • Charge your Earbuds Regularly: Make sure to charge your earbuds regularly to avoid low battery life. Low battery life can cause connectivity issues and may result in the left earbud not working.
  • Keep Your Earbuds Away from Water: Avoid exposing your earbuds to water or any other liquids as it can cause damage to the internal components of the earbuds.
  • Update your Earbuds’ Firmware: Keep your earbuds updated to the latest firmware to ensure optimal performance and connectivity.
  • Use your Earbuds Properly: Make sure to use your earbuds properly by following the manufacturer’s instructions. This includes putting them in and taking them out correctly, as well as avoiding overusing them or exposing them to extreme temperatures.

By following these tips, you can help prevent issues with your Bose Earbuds, including the left earbud not working. Taking care of your earbuds will not only prevent issues but also prolong their lifespan, saving you money in the long run.

Final Thoughts 

If you’re experiencing issues with your Bose Earbuds’ left earbud, you can apply any of these solutions to try and fix the problem before assuming the worst.

If none of these solutions work, it would be most likely that the earbud has sustained some physical damage or has a software malfunction. The next thing to do would be to contact Bose customer support. With these troubleshooting steps, you’ll be able to enjoy your music with both earbuds working perfectly.


  • Lawrence Munson

    I'm Lawrence Munson, a tech blogger and audio enthusiast. is where I share my thoughts and findings on the latest audio gear such as earphones, soundbars, subwoofers, equalizers, etc. I love to test new products to help my readers understand and enjoy their devices better, and I'm always eager to share my knowledge about audio technology and how it works.