Android Viewport Sizes
Common Android viewport widths and QA notes for testing responsive layouts across varied mobile devices.
4 min read - Updated 2026-05-13
Use this guide as a compact release reference, then validate the same breakpoints in Sizzy with synchronized devices and screenshot evidence.
Expect more width variation
Android devices span a wider set of CSS viewport widths. A good QA pass checks compact, common, and large Android widths rather than relying on one flagship preset.
360px for common compact Android phones
384px and 393px for mid-range devices
412px for large Android phones
480px for foldable or small tablet handoff
Watch density and browser UI
Android browser chrome, address bars, and font scaling can expose issues that do not appear in desktop emulation. Keep content flexible and validate tap targets.
Check line wrapping with larger font settings
Verify inputs and dropdowns with touch
Retest sticky headers after scroll
Check app install or cookie banners when present
Release checklist
Test 360px, 393px, 412px, and 480px widths.
Confirm no controls depend on hover-only interactions.
Retest forms with validation errors and keyboard focus.
Scan for text clipping with longer localized strings.
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