Just a day after the release of the final iOS versions 12.1.1 and macOS 10.14.2 Apple released the 5.1.2 and watchOS. The key feature of this update is that it unlocks the feature of the ECG on the Apple Watch Series 4.
Despite the fact that the update is available in all regions to test the new feature will not all. It was already known that ECG scanner only works in the US. However, many were hoping to remove this restriction will change in the region. But, as practice shows, at the moment is to use the function only on the clock that was released for the US (model number contains the letter xxxxxLL/x).
Besides the activation of the ECG watchOS 5.1.2 update also brought new versions of the extension dials “Infographic” and “Infographics Modular” and some smaller changes. In particular, the update extends the app “Wallet” for use of tickets and discount cards.