Twitter will reload the image in the best possible quality.Tap Load in 4K from the iOS Share Sheet.Touch and hold the image or tap the three dots icon in the top right.Typically, 4K is 3840 × 2160 pixels, and for movie projection, 4K equates to 4096 × 2160 pixels. In my observation, I noticed that Twitter supports up to 4096 × 4096 pixels (you see this number when you open a Twitter image in a new tab on a computer). That’s it! From now on, when you tweet an image, it will be uploaded in the best possible quality (up to 4K.) Finally, tap High-quality image uploads and pick ‘ On cellular or Wi-Fi.’.Select Accessibility, display, and languages.Tap Settings and Support and pick Settings and privacy.Tap your profile picture from the top left corner of the Home tab.Open the Twitter app on your iPhone, iPad, or Android phone.Upload images in the best quality on Twitter In this tutorial, we’ll show you how to upload and download full-resolution images to Twitter. Similarly, when you download images or our wallpapers from Twitter, you should know how to load them in 4K quality and save that instead of the compressed version. To ensure those images are of the absolute best quality, it’s important to enable a setting in Twitter that uploads them at full resolution.

Our colleague Jim and us at iDB often tweet iPhone, iPad, and Mac wallpapers on Twitter.

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