Apple Watch doesn’t have a data port, so in the event of a serious firmware failure, the only option was to reset it to its default settings.
But released todayiOS15.4With iPhone installedwatchOS8.5With a combination of Apple Watch with installedWirelessly restore Apple Watch firmware from iPhoneIt is now possible.
Restoreable with a combination of iOS 15.4 and watchOS 8.5
Apple updated its support document on March 14, local time. At the time of writing this article, the Japanese version has not been updated yet.
Description of support document
Apple explains what to do when “iPhone and Apple Watch images or a red”! “Mark appears on your Apple Watch” as follows.
watchOS8.5If you see an animation that brings your Apple Watch closer to your iPhone on an Apple Watch that has a later version, follow the steps below.
- Bring your iPhone closer. iPhoneiOS15.4It must be equipped with or later, connected to Wi-Fi, Bluetooth turned on, and unlocked.
- Set your Apple Watch in the charger.
- Double-click the side button on your Apple Watch (the button below the digital crown).
- Follow the steps displayed on your iPhone screen.
Source:Apple via 9to5Mac
(lunatic)