iOS has always been loved by many people and has experienced successive generations of new ones. Now that it has come to iOS 15.4, just recently Apple has released iOS 15.4 Beta and iPadOS 15.4 Beta, what are the highlights? Mainly, the most practical are functions such as universal control and mask face ID.
Since yiqing has not yet passed, wearing masks is still our prevention and control measure. However, there will be embarrassment when the face unlocks the phone, and iOS 15.4 adds the ability to unlock the iPhone when wearing a mask, the principle is that it verifies the area around your eyes for authentication, but the masked face ID is limited to iPhone 12 and later versions. In addition, iPadOS 15.4 and macOS Monterey 12.3 also add universal control features to log in to iCloud accounts for iPads and Macs.
What are your thoughts on this iOS update?