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How to fix problems with Bose QuietComfort Headphones

Get your Bose QuietComfort Headphones and Bose QuietComfort Ultra Headphones working in no time.
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Published onAugust 28, 2024

Whether you have the regular Bose QuietComfort Headphones, or the more expensive Bose QuietComfort Ultra Headphones, chances are you may run into some issues. We’re here to answer any questions you have about your Bose QuietComfort headphones.

Editor’s note: This how-to article was published on August 28, 2024. We’ll update it as needed with more Bose QuietComfort tutorials if and when new features or headphones are announced. 

How to find the serial number of your Bose QuietComfort Headphones

The Bose QuietComfort Ultra Headphones have soft padding that is very glasses-friendly.
Austin Kwok / SoundGuys
You’ll find the Bose QuietComfort Ultra Headphones serial number underneath the left ear cup.

If you have issues with your Bose QuietComfort Headphones and reach out to their support team, they’ll likely ask you for the serial number of your headphones. You can find the serial number of your Bose QuietComfort Headphones in a number of ways:

  1. On the label of the box that the headphones came in.
  2. In the Bose app, under “Technical Info”.
  3. In the left ear cup, underneath the cloth insert.

To find the serial number on the left ear cup, you first need to remove the ear pad. You can gently pull it off from the headphones. You can then peel away the cloth covering on the left ear cup to reveal the serial number.

How to pair your Bose QuietComfort Headphones

A man wears the Bose QuietComfort Headphones.
If you found the Bose QuietComfort 45 to be comfortable, good news: the Bose QuietComfort Headphones are virtually identical.

The easiest way to pair your Bose QuietComfort Headphones is to download the Bose Music app, and follow the instructions. If you are trying to pair your headphones to a device that doesn’t have the app, you’ll need to put your Bose headphones in manual pairing mode. The process for the regular Bose QuietComfort Headphones is a bit different than for the Bose QuietComfort Ultra Headphones, you can find the instructions for both below.

  1. Turn on your headphones by holding the power slider in the “Bluetooth” position for several seconds.
  2. open the Bluetooth menu on your device and scan for new devices.
  3. Select the Bose QuietComfort Headphones. This may not work right away, so give it a few seconds.
  1. On your source device, enable Bluetooth and scan for new devices.
  2. Hold the Bluetooth/Power button on the Bose QuietComfort Ultra Headphones, and let go after you hear the chime.
  3. Select the Bose QuietComfort Ultra Headphones from the list of available devices, and your devices will handle the rest.

To use Bluetooth Multipoint with your Bose headphones, simply follow the above process to pair to your second device. Once you have paired to both devices, you can seamlessly switch back and forth.

Connection issues with Bose QuietComfort Headphones

The Bose QuietComfort Ultra Headphones lying atop a wood slab.
Austin Kwok / SoundGuys
The Bose QuietComfort Ultra Headphones are light and portable, but you don’t want to deal with connection issues while traveling.

Connection issues are an unfortunate reality of wireless headphones. Gone are the days of the headphone jack on smartphones, which means you’ll want to familiarize yourself with troubleshooting your Bose headphones. If you are experiencing any connection issues such as the headphones not re-connecting to your phone, not switching between devices, or the connection dropping out or stuttering, try these troubleshooting steps:

  1. Ensure the headphones are charged.
  2. Power the headphones off and back on again. No matter the technology, this tried and true method is undefeated in the world of troubleshooting.
  3. Remove the headphones from your list of paired devices, and re-pair them (follow the steps above).
  4. Factory reset the headphones. You can do this by pressing the volume up and volume down buttons simultaneously for 15 seconds until the power light blinks white for three seconds. You can then re-pair the headphones to your devices.

If this doesn’t solve your connection problem, it may be an issue with your source device. Try borrowing some wireless headphones from a friend to make sure the problem is with your headphones, and not your source device. If the problem is isolated to your Bose headphones, reach out to the Bose support team to exchange your product, as it is likely a faulty unit.

How to update the firmware version on Bose QuietComfort Headphones

The Bose QuietComfort Headphones sitting atop a table, with the Bose Music App open on a phone.
Harley Maranan / SoundGuys
The Bose Music App is necessary to adjust EQ, and get firmware updates.

The first time you open the Bose Music app, it will automatically check if your headphones need a firmware update. It is important to install the latest firmware updates to ensure your headphones are stable and have the latest features and functionality. Often times, updating the firmware will fix problems you might be having with your headphones.

If you can’t access the Bose app, you can install updates from your computer with the Bose Updater website. You just need to connect your headphones to your computer over USB and then download and install the updates.

You can easily view your current firmware version from within the Bose Music app. Tap on the settings icon in the top right corner of the app. Then, tap on “Technical Info”. Do a quick online search to confirm that your firmware is the most recent available version.

What does the LED light on the Bose QuietComfort Headphones mean?

The LED indicator light on the Bose QuietComfort Headphones displays different colors to indicate battery status, Bluetooth status, charging status, update status, and error status. Below you can see what all of the different flashing colors on your Bose headphones mean:

LED statusIndicates
Solid White
Full charge
Solid Amber
Low-medium charge
Solid Blue
Connected
Blinking Blue
Ready to connect
Blinks white 2 times
Device list cleared
Blinks white 3 times repeated
Updating software (wirelessly)
Solid blue (5 seconds)Fast blinking white (10 seconds)
Updating software (via USB)
Blinks white (3 seconds)
Reset
Blinks white (30 seconds), then blinks amber (2 to 3 seconds)
Restore
Blinking amber and white
Error - contact Bose customer service

How to fold the Bose QuietComfort Headphones

The Bose QuietComfort Headphones, sitting folded in their carrying case, along with the included cables.
Harley Maranan / SoundGuys
Same as it ever was, the Bose QuietComfort Headphones fit in the same bag-friendly case.

To properly store and protect your Bose QuietComfort Headphones, make sure to use the included case. First, rotate both ear cups so they lie flat. Then fold one of the ear cups up towards the headband to make the Bose QuietComfort headphones fit inside their case.

How to replace the Bose QuietComfort Headphones ear cushions

Bose QuietComfort Headphones ear pads.
The ear cushions may wear out over time.

With normal to heavy use, headphone ear cushions tend to wear out over time. Rather than buying new headphones, you can simply get new ear cushions for your Bose headphones. Bose offers replacement ear cushions for the Bose QuietComfort Headphones, and replacement cushions for the Bose QuietComfort Ultra Headphones. The replacement cushions for the Bose QuietComfort Headphones are also compatible with the Bose QuietComfort 45 headphones. To replace the cushions, simply snap the existing cushions off the headphones and snap on the new ones.

You can find third-party ear cushions on Amazon, but they many not fit the same as the original Bose ear cushions. As well, different ear cushions will impact the isolation and sound quality performance of the headphones, so it’s best to stick with Bose.

Frequently asked questions about Bose headphones

Most of the information in this guide also applies to the Bose Noise Cancelling Headphones 700.

To put your Bose Noise Cancelling Headphones 700 in pairing mode, simply press the button on the back of the right ear cup for 3 seconds.

To reboot the Bose Noise Cancelling Headphones 700, press and hold the power button while plugging in the headphones to a charging cable. Wait a few seconds for the indicator light to blink twice quickly, and the headphones will reset.

We have an entire guide on fixing problems with your Bose QuietComfort 35 II headphones. Check it out to learn how to pair, reset, and solve all problems related to your QuietComfort 35 II headphones.

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