A trend on X, formerly Twitter, encourages users to tap, hold and download photos in 4K resolution. The feature was first introduced in 2021.

Twitter is now letting all iOS and Android users tweet images in 4K, lifting the previous resolution restriction for its mobile apps. Twitter should look a whole lot better now. Skip to main content ...

Meta later clarified to The Verge that “HD” in this instance refers to images measuring 4,096 x 4,096 — so 4K in other words. Meta Staying with photos, the company confirmed that shared ...

To send photos at 4K resolution, just be sure to update your Messenger app to the latest version. Then, just send a photo like normal, and the person you're messaging will receive the highest ...