Responsive ViewerSimulator
Samsungsmartphone2021

Samsung Galaxy S21 Ultra

Complete CSS viewport dimensions, device pixel ratio, physical screen specs, and downloadable high-resolution transparent mockup.

Samsung Galaxy S21 Ultra Frame
Transparent PNGFrame Ratio: 0.87Full Preview →
CSS Viewport
360 × 800px
Physical Resolution
1440 × 3200px
Device Pixel Ratio
@4xDPR
Diagonal Screen
6.8"(17.3 cm)
Aspect Ratio
20:9
Pixel Density
516PPI

Hardware & System Profile

Operating SystemAndroid 16.0
Rotation SupportedYes (Portrait & Landscape)
Network Simulation5G
Screen CurvatureCurved Edge Display

Device User-Agent String

Use this string in Chrome DevTools or curl to simulate this exact device.

Mozilla/5.0 (Linux; Android 16; SM-G998B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.6778.260 Mobile Safari/537.36

CSS Media Query

Target Samsung Galaxy S21 Ultra precisely with CSS media rules.

Portrait Mode
@media only screen 
  and (min-device-width: 360px) 
  and (max-device-width: 360px) 
  and (-webkit-min-device-pixel-ratio: 4) {
  /* Samsung Galaxy S21 Ultra (Portrait) */
}
Landscape Mode
@media only screen 
  and (min-device-width: 800px) 
  and (max-device-width: 800px) 
  and (-webkit-min-device-pixel-ratio: 4) {
  /* Samsung Galaxy S21 Ultra (Landscape) */
}
Free Chrome Extension

Test your website on Samsung Galaxy S21 Ultra in 1 click

Install the Responsive Viewer extension to simulate Samsung Galaxy S21 Ultra's 360×800 viewport and DPR directly on any active browser tab.

Install Extension