Apple Releases AirPods Pro 3 Firmware 8B40 with Bug Fixes and Performance Improvements

Apple has released firmware version 8B40 for the AirPods Pro 3, a minor update from the previous 8B39 build. While Apple hasn't published release notes, the update is understood to include bug fixes and performance improvements — particularly for the hearing aid and hearing test features that launched with iOS 18.

What's in the Update

• Version: 8B40 (up from 8B39)
• Focus: Bug fixes, stability improvements, and hearing aid feature refinements
• Availability: Rolling out automatically when AirPods are in their case, connected to an iPhone on Wi-Fi, and charging

Hearing Aid Feature Status

The AirPods Pro 3 function as clinical-grade hearing aids for users with mild to moderate hearing loss, a feature that received FDA clearance in 2024 and has been refined with each firmware update. The 8B40 build addresses reported issues with hearing test calibration and Adaptive Transparency mode latency.

How to Update

AirPods firmware updates install automatically. Place your AirPods in the charging case, connect the case to power, ensure your iPhone is on Wi-Fi and nearby, and wait 30 minutes. Check your current version in Settings → Bluetooth → tap the (i) next to your AirPods → scroll to Firmware Version.

What This Means for Buyers

If you already own AirPods Pro 3, this update installs silently and requires no action. If you're considering buying, the AirPods Pro 3 at $199 on Amazon remain the best earbuds for iPhone users with the added benefit of FDA-cleared hearing aid functionality. For Android users, the Sony WF-1000XM6 at $279 offers superior sound quality. Browse all options in our earbuds comparison.