According to Apple, these iPhone models will get iOS 18 when it becomes widely available:

• iPhone 15
• iPhone 15 Plus
• iPhone 15 Pro
• iPhone 15 Pro Max
• iPhone 14
• iPhone 14 Plus
• iPhone 14 Pro
• iPhone 14 Pro Max
• iPhone 13
• iPhone 13 mini
• iPhone 13 Pro
• iPhone 13 Pro Max
• iPhone 12
• iPhone 12 mini
• iPhone 12 Pro
• iPhone 12 Pro Max
• iPhone 11
• iPhone 11 Pro
• iPhone 11 Pro Max
• iPhone XS
• iPhone XS Max
• iPhone XR
• iPhone SE (2nd generation or later)

Notably, the once-popular iPhone X model is not on the list. Older devices like the iPhone 8 series also didn’t make the cut this year. As for what’s to come, Apple is expected to announce the iPhone 16 lineup in September with iOS 18, presumably with new A18 silicon.