New iPhone models are rolled out almost every year with better and upgraded features from its predecessors. From lightning-fast processors to new colors and display, there are plenty of upgraded features you can explore with each iteration of the iPhone. So, if you are considering an iPhone as your next smartphone, here are some of its features that will make a strong case for the iPhone. Spill-proof casing All iPhones undergo rigorous testing under controlled laboratory conditions to check their resistance against splash, water, and dust. The latest iPhone has a rating of IP68 under IEC standard 60529, which means they can function at a maximum depth of four meters for up to 30 minutes. iPhone XS and iPhone XS Max have a rating of IP68 under IEC standard 60529, making them functional at a maximum depth of 2 meters for up to 30 minutes. iPhone XR, iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, and iPhone 7 Plus has an IP67 rating, making it functional at a maximum depth of 1 meter for up to 30 minutes. Group video calling Apple did it before it was cool! Group FaceTime enables you to video call multiple people at the same time. It lets you start a Group video calling via the FaceTime app embedded in the Messages app.