iPhone 17 Pro
Viewport 402 × 874
402 px
874 px
- CSS viewport
- 402 × 874 px
- Landscape
- 874 × 402 px
- Public reference
- 402 × 873 px
- Pixel ratio
- 3×
- Physical resolution
- 1206 × 2622 px
- Released
- 2025
- Maker
- Apple
- Type
- Phone
- Tailwind breakpoint
- base
- Bootstrap breakpoint
- xs
Viewport keeps the 402 × 874 test canvas; the browser’s own toolbars change the height a page actually gets.
Reference: WebMobileFirst
Preview your site on the iPhone 17 Pro
Same viewport, one test
These report exactly 402 × 874, so a layout that works here works there too: iPhone 17, iPhone 18 Pro, iPhone 16 Pro.