Fix JBL Tune 510bt One Side ( Left or Right ) Not Working

The JBL headphones are a product from the JBL brand. The JBL Tune 510BT has an issue that many users have complained about, where one side of JBL Tune 510bt, either the left or the right earbud, does not work, resulting in no sound from that side. 

Often, users, without paying much attention, may rush into opening up the earpiece to fix the issue, thereby potentially ruining their headphones. They may overlook some technical issues and immediately resort to resetting or repairing, which seldom solves the problem. 

There’s a specific time and situation for every step that should be taken. In this article, we will guide you through various steps to fix the JBL Tune 510BT one-side not working issue and also tell you at what point each step should be taken to avoid causing any further damage and allow you to continue using your device.

JBL Tune 510BT: Quick Overview

Before fixing the issue, I want to give you an overview of the JBL Tune 510BT so that you have a clear understanding of everything while reading the article. 

The JBL Tune 510BT is a wireless headphone. It is an on-ear type of headphone, with volume on/off buttons located on the edge of one earcup. Its earcups have an over-the-ear foam factor. It is wireless and available with Bluetooth 5.0 technology.

Why JBL Tune 510bt One Side ( Left or Right ) Not Working: Top Reasons

If you want to fix the JBL Tune 510BT One Side (Left or Right) Not Working issue, you need to know the reason behind its malfunction. 

Only after understanding the reason can JBL Tune 510bt common error be fixed. If a doctor doesn’t know which part of the body is in pain, can they prescribe any medicine? 

Exactly, so knowing the reason behind any problem is essential before trying to fix it. Let me explain to you the possible reasons behind the JBL Tune 510BT One Side (Left or Right) Not Working issue.

Problem In The Device

When many people report the JBL Tune 510BT One Side (Left or Right) Not Working issue, it has been observed that most of the time, the main problem lies with their own device. 

Either their headphones get damaged due to some reason, or there is some issue with the mobile or laptop they are connected to. Most of the time, users of the HP ProBook face the JBL Tune 510BT One Side (Left or Right) Not Working issue.

Unbalanced Audio Setting

Another reason behind the JBL Tune 510BT One Side (Left or Right) Not Working issue could be that the audio balance settings in your device are incorrect. 

Yes, if the device’s audio balance settings are messed up, sound may come from one earbud either very softly or not at all, making you think it is damaged. Consequently, you report the JBL Tune 510BT One Side (Left or Right) Not Working issue.

Broken Connector/Wire

If the headphone’s earpiece is opened, it is also discovered that the wires or connector inside are broken, which can be the reason you face this issue.

Fix JBL Tune 510bt One Side ( Left or Right ) Not Working

I have told you the possible reasons, now I will tell you the steps to fix this issue. First, I will tell you steps that can be taken without any technical information, and during which, making a mistake won’t cause any damage. After that, I will tell you the technical steps that need to be followed carefully to avoid any kind of damage.

Tapping On The Headphones

The easiest and simplest step you can take to fix the JBL Tune 510BT One Side (Left or Right) Not Working issue is to gently tap the back of the earbud that is not working. 

Tapping it softly with your hand 2 to 3 times can make it start working again, and you won’t need to do anything else.

Read Here: JBL Tune 510bt Not Charging: Fix It

Turn The Volume Up

To address this issue, you can also try raising the volume. Many people have suggested that when they increase the volume, the problem is resolved and both earpieces start working again.

To increase the volume, press the + sign button that is located on the earpiece.

After increasing the headphone volume, also increase the volume on your device, whether it’s a laptop or mobile, by pressing the volume increase button where it’s available. This will fix the issue.

Replace Your Device

We had discussed earlier that the error could be within your device, such as the HP ProBook, which users often face with this error. 

Therefore, try changing your device. If you are facing this issue with a laptop, try connecting your JBL Tune 510BT headphones to a mobile device to see if the issue is fixed. 

Conversely, if you are using a mobile, try connecting to a laptop to check if both earpieces work correctly there. If you don’t have an extra device, try connecting your existing device to a new Bluetooth connection to see if the error persists with that Bluetooth connection as well.

Balance Your Audio Setting

To resolve the issue of JBL Tune 510BT One Side (Left or Right) Not Working, potentially due to audio balance settings, here are the steps you should follow:

First, you need to access the settings on your device. This can be done by simply opening your device and navigating to the “Settings” menu.

Once in Settings, utilize the search function by looking up “audio balance.” This will help you quickly find the setting without having to manually browse through all the options.

In the search results, select the option that mentions “audio balance.” This will take you directly to where you can adjust these settings.

In the audio balance section, you will find the option to adjust the balance. Scroll until you find this specific setting and make the necessary adjustments to ensure the sound is evenly distributed between both earbuds.

Update JBL Tune 510bt

Another way to fix the issue is to update your jbl tune 510bt. Here are the simplified steps to update your JBL Tune 510BT headphones:

Open the JBL Headphones App: Launch the app on your mobile device.

Connect Your Headphones: Make sure your JBL Tune 510BT headphones are connected to the app.

Check for Updates: Look for an orange circle with a down-pointing arrow on the image of your headphones in the app. This indicates an available update.

Initiate Update: Tap on the update icon to open the update screen.

Install Update: Press the ‘Install’ button to start the update process. Wait for the download and installation to complete.

Restart Headphones: Once the update is finished, your headphones will automatically restart, and the app should return to the home screen.

Reset The jbl Tune 510bt

If after trying these steps you are still unable to fix the JBL Tune 510BT one side not working issue, another option is to reset your JBL tune 510bt headphones. Resetting the JBL Tune 510BT can often resolve this issue. 

I have detailed the resetting steps in my article, which is why I am not mentioning them here. You can read our article for detailed instructions on how to reset jbl tune 510bt

Repair The jbl Tune 510bt

If after following these steps the JBL Tune 510BT one side not working issue persists, another approach is to repair your JBL Tune 510BT headphones with the device. Repairing the JBL Tune 510BT can often remedy this issue.

The repairing steps have been outlined in detail in my article, which is why they are not included here. For comprehensive instructions on how to pair the JBL Tune 510BT, you can refer to our article.

Claim Your Warranty

The next step is to open up the JBL Tune 510BT headphones to check and fix any broken connectors or wires, but this is a delicate task that could potentially damage your headphones completely. 

Therefore, I suggest you carefully follow the steps provided earlier. If the issue persists, check if your JBL Tune 510BT headphones are still under warranty. If they are, it’s best to claim the warranty and have them replaced. If the warranty has expired, then move on to the next steps.

Fix Broken Connector/Wire

To fix any wire or connector, you’ll need to open up your JBL Tune 510BT headphones. Carefully remove the earpiece foam from the headphones, then gently open it by unscrewing the 3 nuts inside.

Once opened, gently push aside the part of the earpiece. Be cautious, pulling it harshly may cause the wires to snap. 

After this, inspect to see if any wires or connectors are broken. If they are, you can attempt to reattach them with the help of some glue. After the repair, close up the earpiece by screwing the nuts back in place.


In this article, I have explained in detail the reasons and steps to fix the JBL Tune 510BT One Side (Left or Right) Not Working issue. It’s important to read these steps thoroughly and implement them carefully. 

Opening the headphones is a technical task and can further damage the issue if not performed correctly. Therefore, handle such steps with extra caution. I hope these steps prove to be helpful for you.

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