Extreme hissing noise in LH unit of AirPods Pro Generation 1 since firmware has updated to 5E135

Extreme hissing noise in LH unit of AirPods Pro Generation 1 since firmware has recently updated to 5E135. Unable to listen to when in Noise Cancellation or Transparency modes. Have tried resetting but hissing noise continues and painful to use especially in Transparency mode. Only able to use with these modes turned off. Not fit for purpose.

Posted on May 7, 2023 07:58 AM

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Question marked as Top-ranking reply

Posted on May 10, 2023 11:22 AM

Hey bert.powell,


We’d be happy to help out. Sounds like you’re experiencing hissing noises in your AirPods while using Transparency or Noise Cancellation. The following steps are best equipped to assist with this exact behavior:

1. Make sure that you have the latest software on your connected iPhone, iPad, iPod touch, or Mac.
2. Check that your connected device is nearby, and there's no wireless interference or obstructions between you and your device
3. Listen to audio from a different app to see if the app causes the issue. 

If you still experience sound quality issues—or if the issues increase in loud environments, with exercise, or while talking on the phone—refer to AirPods Pro Service Program for Sound Issues.

This is outlined further here: If your AirPods Pro (1st generation) make crackling or static sounds - Apple Support


We hope this helps out, but if not, please use the link above to review the AirPods Pro Service Program for Sound Issues which addresses getting this repaired.


Take care!

1 reply
Question marked as Top-ranking reply

May 10, 2023 11:22 AM in response to bert.powell

Hey bert.powell,


We’d be happy to help out. Sounds like you’re experiencing hissing noises in your AirPods while using Transparency or Noise Cancellation. The following steps are best equipped to assist with this exact behavior:

1. Make sure that you have the latest software on your connected iPhone, iPad, iPod touch, or Mac.
2. Check that your connected device is nearby, and there's no wireless interference or obstructions between you and your device
3. Listen to audio from a different app to see if the app causes the issue. 

If you still experience sound quality issues—or if the issues increase in loud environments, with exercise, or while talking on the phone—refer to AirPods Pro Service Program for Sound Issues.

This is outlined further here: If your AirPods Pro (1st generation) make crackling or static sounds - Apple Support


We hope this helps out, but if not, please use the link above to review the AirPods Pro Service Program for Sound Issues which addresses getting this repaired.


Take care!

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Extreme hissing noise in LH unit of AirPods Pro Generation 1 since firmware has updated to 5E135

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