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iPhone SE (3rd Gen)

Compact form factor with Home Button — smallest standard iPhone viewport

375 × 667 ptPhysical 750 × 1334 pxDPR 2x4.7"
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Live Presets:
9:41
5G
9:41
5G
Retina HD with Home Button·4.7" display·Aspect Ratio 375:667
max-width: 375px
Expert Q&A

iPhone SE (3rd Gen) Testing FAQs

Common questions about responsive web design on iPhone SE (3rd Gen).

What are the CSS safe area insets for iPhone SE (3rd Gen)?

The iPhone SE (3rd Gen) uses env(safe-area-inset-top) for Dynamic Island or Home Button clearance, and env(safe-area-inset-bottom) for the swipe-to-home indicator. Always set font-size: 16px minimum on inputs to prevent iOS Safari auto-zoom.

What is the viewport resolution of the iPhone SE (3rd Gen)?

The iPhone SE (3rd Gen) has a CSS viewport of 375px × 667px at a device pixel ratio of 2x. The physical resolution is 750 × 1334 pixels.

Why does my website zoom in on iPhones?

iOS Safari auto-zooms into form inputs with font-size under 16px. Always set font-size: 16px or larger on all inputs. Also ensure your viewport meta tag includes width=device-width, initial-scale=1.0.