Apple has released new firmware for its 25W MagSafe charger. The charger is compatible with the iPhone 12 and later and the latest AirPods and Apple Watch models.
The updated firmware is version 2A143, up from the 2A138 firmware that the accessory originally shipped with.
Because firmware updates are released quietly over the air, Apple does not provide release notes, meaning we don’t know what new features or bug fixes might be included in the updated firmware.
The 2024 MagSafe charger was released alongside the iPhone 16 models, and has the ability to charge them at up to 25W. Charging for the iPhone 12 models to iPhone 15 models is capped at 15W.
A MagSafe charger’s firmware is updated when it is plugged in and connected to an Apple device.
There is no clear method for updating a MagSafe charger’s firmware, but it needs to be plugged in and connected to an Apple device for a firmware update to initiate.
