Guilherme Rambo on Twitter: "I actually compared AirPods Pro running firmware 2C54 vs. 2D15 by putting one in each ear and there's no difference in noise cancellation whatsoever." / Twitter
![AirPods Pro firmware update improved sound accuracy but reduced noise isolation, testing says - 9to5Mac AirPods Pro firmware update improved sound accuracy but reduced noise isolation, testing says - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2019/12/airpods-pro-noise-controls.jpg?quality=82&strip=all&w=1600)
AirPods Pro firmware update improved sound accuracy but reduced noise isolation, testing says - 9to5Mac
![Apple is sending me replacement AirPods Pro because of the 2C54 update. The “My Support” page shows different tracking numbers for the two AirPods and charging case. Does this mean they sent Apple is sending me replacement AirPods Pro because of the 2C54 update. The “My Support” page shows different tracking numbers for the two AirPods and charging case. Does this mean they sent](https://preview.redd.it/tzobwn8tdfs41.jpg?auto=webp&s=4ca9ebdb5700fb6d269868e0189e0838ea94bac2)
Apple is sending me replacement AirPods Pro because of the 2C54 update. The “My Support” page shows different tracking numbers for the two AirPods and charging case. Does this mean they sent
![Apple AirPods Pro Update: Latest Firmware Patch not Good for Noise cancellation, here is how to Upgrade | Hiptoro Apple AirPods Pro Update: Latest Firmware Patch not Good for Noise cancellation, here is how to Upgrade | Hiptoro](https://www.hiptoro.com/wp-content/uploads/2020/01/Apple-AirPods-Pro-Update-Latest-Firmware-Patch-not-Good-for-Noise-cancellation-here-is-how-to-Upgrade.jpg)
Apple AirPods Pro Update: Latest Firmware Patch not Good for Noise cancellation, here is how to Upgrade | Hiptoro
![AirPods Pro 2C54 Firmware: Worse Noise Canceling, Improved Frequency Response and Bass Accuracy - MacRumors AirPods Pro 2C54 Firmware: Worse Noise Canceling, Improved Frequency Response and Bass Accuracy - MacRumors](https://images.macrumors.com/t/8NXN_TNkQ5UUWgwSaTcD6M-jLBI=/1600x0/article-new/2019/12/AirPods-Pro-800x450.jpg)