4K HD Wallpaper: The Juniper Tree
From Kodachrome basin state park in South of Utah is this 4K photography taken by talented photographer Philippe Clairo and available from his courtesy to be saved free for personal use as desktop background and homescreen phone.
Widescreen Desktop / Macbook: 2560x1600 (fits on: 1920x1200, 1440x900, 1280x800)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x1536 (compatible with almost all tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many smartphones)