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Updated · MacRumors · Sep 8Apple Releases 1.4.90 Firmware for 140W USB-C Power Adapter
3 articles · Updated · MacRumors · Sep 8Summary
- Version 1.4.90 is now rolling out for Apple’s 140W USB-C Power Adapter, marking a new firmware update for the charger.
- Apple did not say what the update changes, and the company does not publish release notes for power adapter firmware.
- The firmware installs automatically over time when the adapter is plugged in and connected to a Mac or another device.
- Users cannot trigger the update manually, leaving timing and any practical impact unclear until the rollout completes.
Insights
Why is Apple secretly pushing a silent firmware update to your MacBook power adapter without telling you what it fixes? Could your 140W charging brick be hiding a security vulnerability that Apple is quietly patching in the background?