if you want to add new emulated mobile devices into chrome developer tool follow this process:
- Open the Developer Tools pane (CTRL+SHIFT+I)
- Press (F1) then Devices and clicking the Add custom device button
New Device Data
Here is the data for some current devices: Click the link below to find all devices.
https://docs.google.com/spreadsheets/d/1fQjdr7R5F2MFdo6foSOz3ymB3ZwehAz6AFGWAK2TErI/edit?usp=sharing
| Device Name | Width | Height |
| iPhone Xs | 375 | 812 |
| iPhone Xs Max | 414 | 896 |
| iPhone XR | 414 | 896 |
| Samsung Galaxy S9 | 360 | 740 |
| Samsung Galaxy S9+ | 320 | 658 |
| Samsung Galaxy Note 9 | 412 | 846 |
| Pixel 3 | 393 | 786 |
| Pixel 3 XL | 412 | 846 |
| iPhone X | 375 | 812 |
| Palm PVG100 | 360 | 640 |
| iPhone 8 Plus | 414 | 736 |
| iPhone 8 | 375 | 667 |
| iPhone 7 Plus | 414 | 736 |
| iPhone 7 | 375 | 667 |
| iPhone SE | 320 | 568 |
| iPad Mini 4 | 768 | 1024 |
| iPad Pro (10.5") | 834 | 1112 |
| iPad Pro (12.9") | 1024 | 1366 |
| Red Hydrogen One | 412 | 732 |
| Samsung Galaxy Tab S3 | 768 | 1024 |
| Samsung Galaxy Note 8 | 412 | 846 |
| Samsung Galaxy S8 | 360 | 740 |
| Samsung Galaxy S8+ | 412 | 846 |
| Samsung Galaxy S7 | 360 | 640 |
Media Queries
/* 1792x828px at 326ppi iPhone XR */
@media only screen and (device-width : 414px) and (device-height : 896px) and (-webkit-device-pixel-ratio : 2)
{}
/* 2436x1125px at 458ppi iPhone XS*/
@media only screen and (device-width : 375px) and (device-height : 812px) and (-webkit-device-pixel-ratio : 3)
{}
/* 2688x1242px at 458ppi iPhone XS Max*/
@media only screen and (device-width : 414px) and (device-height : 896px) and (-webkit-device-pixel-ratio : 3)
{}