There ’s a software update you might have miss : a new firmware for the Apple USB - carbon to MagSafe 3 Cable used to charge the newest MacBook Air and MacBook Pros .
It ’s not cleared what the firmware fixes or plot of ground , but it ’s unlikely to admit any detectable changes . According toAaron Zollo on Twitter , the microcode version is 3.1.12 and has build numeral 10M1543 . As far as we know , it ’s the first time the microcode has been updated since the cable get in in 2021 with the Modern MacBook Pro .
We got an update today … for the USB - deoxycytidine monophosphate to MagSafe 3 Cable ( 2 G )
There ’s no way to directly update the cable television , but it should update mechanically when plugged into your Mac . While you may check out the firmware of your power transcriber by attaching it to your Mac and clicking on the Apple logo in the top left corner of the menu taproom , then About This Mac , System Report , and Power , it ’s not clear how to check the specific firmware rendering of the overseas telegram . On Twitter , some usershave report that “ the light on the line conk out off then back on after about 10 seconds , ” which could indicate that the microcode was instal .
Inteardownsof the MagSafe cable , you’re able to clear see a tour board with legion microprocessor chip alike to theMagSafe iPhone charger . In theirteardown of the MagSafe Charger for the iPhone , ChargerLab unveiled an ST Arm Cortex M4 180Mhz processor with a floating - point unit , and 512 KB flash computer storage , so it ’s belike a exchangeable chip is in the MagSafe 3 courser .
Several MacBooks practice the MagSafe 3 connecter for charging , including the M2 MacBook Air , and the 2021 and 2023 MacBook Pros .
Update 2/17 : add entropy about the MagSafe iPhone Charger .
