Apple Releases Updated MagSafe Charger Firmware - MacRumors
Skip to Content

Apple Releases Updated MagSafe Charger Firmware

by

Apple today released new firmware designed for the 25W MagSafe Charger that 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 shipped with. In the Settings app, you'll see a different version number than the internal firmware number.

new magsafe charger
The 2024 ‌MagSafe‌ charger was released alongside the iPhone 16 models, and it is able to charge them at up to 25W. For the iPhone 12 models to the iPhone 15 models, charging is capped at 15W.

Because firmware updates are released quietly over the air, Apple does not provide release notes. We do not know what new features or bug fixes might be included in the software.

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. You can check your ‌‌MagSafe‌‌ Charger's firmware by following the instructions in our MagSafe Charger how to.

Tag: MagSafe Guide

Popular Stories

iPhone 18 Pro Deep Red Feature

iPhone 18 Pro Launching Next Month With These 12 New Features

Thursday August 6, 2026 7:03 am PDT by
It is now August, and that means the iPhone 18 Pro and iPhone 18 Pro Max are just a month away. The devices are expected to look similar to the iPhone 17 Pro and iPhone 17 Pro Max, but there will still be many year-over-year changes, with rumored features including a smaller Dynamic Island, 5G via satellite, and more. Apple is expected to unveil the iPhone 18 Pro, iPhone 18 Pro Max, and a...
Read Full Article • 47 comments
apple account card feature

Apple Account Card in Wallet Now Available in Four More Countries

Thursday August 6, 2026 6:01 am PDT by
Apple has expanded support for the Apple Account Card in the Wallet app to Estonia, Latvia, Lithuania, and Malta. The Apple Account Card option for Wallet started rolling out in 2022, and Apple has been gradually expanding to more countries since then. The card displays the balance associated with a user's Apple Account and can be used to make purchases in the Apple Store, online, or for...
Read Full Article • 1 comments
AirPods Ultra Mock

'AirPods Ultra' to Launch as Soon as Next Month

Friday August 7, 2026 10:58 am PDT by
Apple has been planning to release AirPods with cameras as early as this year, according to Bloomberg's Mark Gurman. If so, they could be unveiled as soon as September alongside the iPhone 18 Pro models and the long-rumored foldable iPhone. The earbuds are expected to have a design similar to the AirPods Pro 3, but with tiny cameras. Given the AirPods with cameras will likely be more...
Read Full Article

Top Rated Comments

eoblaed Avatar
eoblaed
21 months ago
TIL that MagSafe chargers have firmware, which means they have some sort of processing unit.
Score: 14 Votes (Like | Disagree)
L
LogicalApex
21 months ago

TIL that MagSafe chargers have firmware, which means they have some sort of processing unit.
I'd wager that all Wireless Chargers Qi or MagSafe have some processing unit on board. Otherwise, they'd have no way to do a "handshake" to determine if they are connected to a phone, how much wattage to supply to the phone, or if someone just placed magnets on them. Creating a potential hazard.
Score: 7 Votes (Like | Disagree)
infinitejest Avatar
infinitejest
21 months ago
A world where a charger needs an update…
Score: 7 Votes (Like | Disagree)
jz0309 Avatar
jz0309
21 months ago

25W MagSafe Charger that is compatible with the iPhone 12 and later and the latest AirPods and Apple Watch models
@jclo please check your article. Never heard that you can charge an AW on a iPhone MagSafe charger
Score: 6 Votes (Like | Disagree)
L
LogicalApex
21 months ago
That's cool, but I'm not going to go looking for the version number in settings.

I already have enough version numbers I'm looking out for!

This one I can let silently update without me needing to looking at it.
Score: 6 Votes (Like | Disagree)
Radeon85 Avatar
Radeon85
21 months ago

I'm still surprised apple doesn't offer a easier direct way to update on command... Some people have somany devices that a magsafe isn't even worth fidgeting with
I just wish Apple would make a simple settings page listing all the devices linked to your account, and then give me the ability to update them manually.

The current way of doing it is so fragmented, instead of going to the Apple Watch app, Home app for the HomePods or physically going to each Apple TV, a single page for all devices that I can update from one location would be a massive quality of life improvement and that goes for the Apple Pencil and MagSafe charger.
Score: 5 Votes (Like | Disagree)
Read All Comments