The iPhone has a pretty simple and intuitive interface, but there are still some things that appear with no explanation. One such thing is the line under the cell signal, Wi-Fi, and battery icons on the lock screen. This isn’t the first mysterious thing to appear in this region of the iPhone screen. iOS 14 and iPad OS 14 introduced little green and orange dots to indicate when apps are using the camera and microphone. Let’s demystify another curious UI element. RELATED: What Are the Orange and Green Dots on an iPhone or iPad? It’s a Handle for Openi… Click below to read the full story from How To Geek
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