Samsung Galaxy S25 Ultra
Popular BreakpointSamsung's ultimate flagship with built-in S Pen and anti-reflective display
412 × 919 ptPhysical 1442 × 3217 pxDPR 3.5x6.8"
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Quad HD+ Dynamic AMOLED 120Hz·6.8" display·Aspect Ratio 412:919
max-width: 412pxExpert Q&A
Samsung Galaxy S25 Ultra Testing FAQs
Common questions about responsive web design on Samsung Galaxy S25 Ultra.
What is the viewport size of the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra has a CSS viewport of 412px × 919px at 3.5x DPR.
What is dvh and why should I use it on Android?
Android Chrome has a collapsible address bar. 100vh ignores this and can clip content. Use 100dvh (dynamic viewport height) which automatically adjusts as the browser UI expands or contracts.
What is the standard Android CSS viewport width for responsive breakpoints?
Most modern Android flagships have a CSS viewport of 360px–412px wide. Designing your mobile breakpoints around 375px–412px covers the vast majority of Android flagship viewports.