Following a one-and-a-half-month beta period, Apple today released watchOS 5.1, the first full-point release update to September’s watchOS 5 for Apple Watch wearables. At a minimum, the update adds limited Group FaceTime support, new emojis, and a new watch face to most Apple Watches. It might also enable a new heart monitoring feature in the Apple Watch Series 4, at least in the United States.
Compatible with all models from the Apple Watch Series 1 through the Apple Watch Series 4, watchOS 5.1 includes audio support for Group FaceTime, enabling wearers to participate in up to 32-person conversations with iPad, iPhone, and Mac users. It also adds support for the 70 new emoji characters that were previously introduced in iOS 12.1.
Apple Watch Series 4 users will also get access to a new full-screen watch face called Color, which turns the entire display to one of dozens of flat colors as an analog watch face. On older Apple Watch models, Color is a filled-in circle, mirroring the implementations of Fire & Water, Vapor, and Liquid Metal.
One unknown is whether watchOS 5.1 includes support for an Electrocardiogram (ECG) feature Apple announced last month at its September “Gather Round” event. Exclusive to the Apple Watch Series 4, the ECG heart monitoring feature was said to have been approved by the FDA and ready for a release “later this year” in the United States.
watchOS 5.1 must be downloaded using the iPhone’s Watch app under General > Software Update. The Apple Watch needs at least 50 percent battery power, and it must be on a charger within wireless range of the iPhone.
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