What are the stems of thirteen apples?

The complete sentence of Thirteen Fragrances is "iPhone 13 is more fragrant", which means that it is better to buy iPhone 12 than to wait for iPhone 13. Because of the release of iPhone 12, there are many jokes about iPhone 12. Thirteen incense jokes are as follows: A: Don't buy iPhone 12! Because Wang Shouyi said thirteen incense!

In fact, it's just teasing people not to buy iPhone 12, and wait until iPhone 13 stinks. There is also the interesting homophonic phrase "Don't buy iPhone 13 because flowers of war said (poor)".

System functions:

First, performance improvement.

Apple attaches great importance to the performance improvement of iOS 13, especially the problem that old devices are getting slower and slower. On iOS 13, the unlocking speed of face ID is increased by 30%, and the application startup speed is doubled.

Second, the dark mode.

Dark mode is the biggest visual effect change made by Apple to the iOS system after iOS 7, which brings a system-level dark mode, and most official applications support dark mode.

Third, the new keyboard mode.

Although Apple's iOS system has long supported third-party input methods, officials have been improving their input methods. In this version, the QuickPath sliding input keyboard is introduced.