the watchOS 8.3 and iOS 15.2 release versions, which were distributed to developers this week, allow ECG capabilities for Apple Watch users in China following regulatory permission for the technology earlier this summer. Developers and public beta testers may now download watchOS 8.3 and iOS 15.2, which will be released to the general public soon. A revamped Notification Summary, the Apple Music Voice Plan, Legacy Contacts, and more are among the new features in iOS 15.2. The Apple Watch Series 4 and later have ECG capabilities, which allow users to easily take an ECG by merely putting their finger on…