Lumen: HD 4K Wallpapers

Give your phone a fresh new look. Lumen is a free library of hundreds of HD and 4K wallpapers, aesthetic backgrounds, and themes — from deep black and dark wallpapers for OLED screens to bright, colorful backgrounds for any phone. Browse, preview any wallpaper on a real home and lock screen, and set it as your background in one tap. No account required. Lumen is supported by clearly labeled ads. BLACK, DARK & COLORFUL WALLPAPERS Love a clean black wallpaper that saves battery on an OLED screen? Prefer deep blue ocean tones, a minimalist background, or a bold abstract? Lumen has it — black and dark wallpapers, blue, gradient color blends, and more, all in real HD and 4K. HUNDREDS OF HD & 4K WALLPAPERS Every wallpaper is hand-picked and stays razor-sharp edge to edge, from budget phones to the crispest 4K displays. Real 4K quality backgrounds that look great behind your app icons — not just as a thumbnail. 11 COLLECTIONS TO EXPLORE - Minimalist — clean, calm, distraction-free wallpapers - Nature — forests, fields, and natural light - Mountains — peaks, ridges, and wide-open skies - Ocean — waves, coastlines, and deep blue - Space — galaxies, nebulae, and starfields - Architecture — lines, structure, and form - Abstract — bold shapes and color - Gradient — smooth, modern color blends - Dark — deep black wallpapers for OLED screens - Cyberpunk — neon-lit, futuristic aesthetic - Plus an All view to explore every wallpaper at once SET AS WALLPAPER IN ONE TAP Pick a wallpaper and apply it straight to your home screen, lock screen, or both in a single tap on Android. On iPhone, save it to your photo library and set it from there. Most wallpaper apps only save the image — Lumen sets it for you on Android. LIVE PREVIEW BEFORE YOU APPLY See exactly how a wallpaper looks on a real home and lock screen — icons and clock included — before you commit. What you preview is what you get, with no cropping guesswork. WALLPAPERS FOR EVERY PHONE Whether you want an iphone wallpaper, an Android home screen wallpaper, or a matching lock screen background, Lumen makes it effortless to customize and personalize your phone. FAVORITES THAT WORK OFFLINE Double-tap any wallpaper to favorite it. Your favorites stay saved offline, so your go-to backgrounds are always a tap away. SAVE & SHARE Prefer to keep an image? Save any wallpaper to your gallery, or share it with a friend in seconds. LIGHT & DARK MODE Lumen is fully system-aware and follows your device theme automatically, with a polished look in both light and dark mode. PRIVACY & CHOICES No account or sign-up required. Favorites and settings stay on your device. Lumen uses Google AdMob for ads; see our privacy policy for details. WHY LUMEN - Hundreds of HD & 4K wallpapers and backgrounds - Black, dark, blue, gradient, minimalist, abstract, space and nature wallpapers - 11 curated collections - Set as home or lock screen wallpaper in one tap (Android) - Live preview on a real home and lock screen - Customize and personalize your phone your way - Offline favorites, save to gallery, and easy sharing - Free to use, supported by ads Whether you want a sleek black wallpaper for an OLED screen, a minimalist background for a tidy home screen, or a stunning 4K scene for your lock screen, Lumen makes it effortless. Find a wallpaper you love, tap once, and it's done. Download Lumen free and give your home and lock screen a fresh new 4K wallpaper today. Note: Lumen sets beautiful static HD & 4K images as your wallpaper (not animated). Wallpapers are licensed from Pexels (free for personal use).