AirPods Pro 2 Error Code 12: How to Fix It

Easy 15-30 minutes Medium Severity Verified June 2026
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Error Code
12
Brand
AirPods
Product Type
wearable
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
15-30 minutes
AirPods Pro 2 Error Code 12 appears when the Hearing Aid feature fails to complete its setup process on your device. This feature, available on AirPods Pro 2 running the latest firmware, requires specific iOS settings, a compatible iPhone, and a completed hearing test to function correctly. While this is a medium-severity issue that does not affect core audio playback, it does prevent you from using the clinically validated Hearing Aid and hearing assistance capabilities built into the device.
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Tools You'll Need

How to Fix Error Code 12

  1. Verify Device and Software Compatibility

  2. Update iOS to the Latest Version

    Make sure your iPhone is charged above 50% or plugged in before starting a software update to prevent interruption.

  3. Update AirPods Pro 2 Firmware

  4. Restart Your iPhone

  5. Re-pair AirPods Pro 2 to Your iPhone

    Forgetting the device will remove all custom settings including ear tip fit test results and personalized spatial audio profiles. You will need to reconfigure these after re-pairing.

  6. Complete the Required Hearing Test (Audiogram)

    Do not use the Hearing Aid feature at high volumes for extended periods. Follow on-screen guidance regarding safe listening levels.

  7. Reset AirPods Pro 2 to Factory Settings

    A factory reset erases all personalized settings on the AirPods including spatial audio head tracking profiles, ear tip test results, and custom EQ settings. These will need to be set up again after the reset.

  8. Sign Out and Back Into Apple ID / Health App Permissions

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When to Call a Professional

If you have completed all steps above — including firmware updates, re-pairing, a factory reset, and multiple hearing test attempts — and Error Code 12 continues to appear, contact Apple Support directly at support.apple.com or visit an Apple Store or Apple Authorized Service Provider. The issue may indicate a hardware defect with the AirPods Pro 2 microphone array (which is used during the hearing test), a corrupted firmware state that requires a technician-level restore, or an account-level issue that Apple Support can diagnose remotely. If your AirPods Pro 2 are within the one-year limited warranty or covered by AppleCare+, repair or replacement may be provided at no cost.

Frequently Asked Questions

What is the AirPods Pro 2 Hearing Aid feature?
The AirPods Pro 2 Hearing Aid feature, introduced in iOS 18, turns AirPods Pro 2 into an FDA-registered over-the-counter hearing aid for adults with mild to moderate hearing loss. It uses a built-in hearing test and the AirPods' microphones and processors to amplify sounds in a clinically validated way, without requiring a prescription or audiologist visit.
Which iPhone models support the AirPods Hearing Aid feature?
The AirPods Hearing Aid feature requires an iPhone 15 or later running iOS 18 or newer. It is not compatible with older iPhone models, iPad, Mac, or any device that is not an iPhone 15 series or later, even if they support AirPods Pro 2 pairing.
Will Error Code 12 affect normal AirPods audio or noise cancellation?
No. Error Code 12 is specific to the Hearing Aid feature setup process and does not affect standard audio playback, Active Noise Cancellation, Transparency Mode, spatial audio, or any other core AirPods Pro 2 features. Your AirPods will continue to function normally for music, calls, and all other uses.
How do I check the firmware version on my AirPods Pro 2?
To check the firmware version, make sure your AirPods are connected to your iPhone, then go to Settings > Bluetooth, and tap the small 'i' (info) icon next to your AirPods Pro 2 in the device list. Scroll down to find the 'Firmware Version' field. You can compare this number to Apple's latest publicly released AirPods Pro firmware to see if an update is needed.
Can I use the Hearing Aid feature if I already have a hearing test from an audiologist?
Yes. If you have an audiogram from a licensed audiologist, you can import it into the Apple Health app instead of taking the built-in hearing test. In the Health app, go to Browse > Hearing > Audiogram and add your results manually. Once imported, the Hearing Aid setup should be able to use those values, which may help resolve Error Code 12 if the built-in test is failing.

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