iPhone 15 Pro and iPhone 15 Pro Max are designed with aerospace-grade titanium, delivering Apple’s lightest Pro models ever.
https://www.apple.com/hk/en/newsroom/2023/09/apple-unveils-iphone-15-pro-and-iphone-15-pro-max/
Expanded call history. See more of your call history in Recents. Separate ringtones for Dual SIM. Set different ringtones for each SIM when using Dual SIM. ...
https://www.apple.com/hk/en/ios/ios-17/pdf/iOS_All_New_Features.pdf