Apple Upgrades IOS 17

The video introduces new experiences and intelligent input for iPhone, focusing on major updates to the Phone, FaceTime, and Messages apps. The Phone app receives a significant update with personalized contact posters, allowing users to customize their representation during calls. These posters offer beautiful treatments for photos and memoji, with eye-catching typography, and a new vertical text layout for Chinese and Japanese languages.

What is the significance of the Phone app in the iPhone experience according to the text?

In which languages does the new layout with vertical text look incredible?