AirPods (2nd generation) - Technical Specifications - Apple
Apple is sending replacement AirPods with unreleased firmware, making them unusable
Identify your AirPods - Apple Support
How to Update Your AirPods, AirPods Pro, or AirPods Max
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 shipping single replacement AirPods with a new, unreleased firmware and people can't use them | iMore
The state of AirPods Pro is quite confusing right now
Apple envía AirPods de repuesto con firmware inédito
airpods2的固件版本2D3。如何辨别airpods1代2代。 - 知乎
Identify your AirPods - Apple Support
AirPods (2nd generation) - Apple
airpods2的固件版本2D3。如何辨别airpods1代2代。 - 知乎
Identify your AirPods - Apple Support
Apple Updates Second-Generation AirPods Firmware to Version 2D15 - MacRumors
Second-generation AirPods firmware updated to version 2D15
Apple shipping replacement AirPods with unreleased firmware, pairing issue | AppleInsider
AirPods Single Replacements Ship With New, Incompatible Firmware - SlashGear