The secret line under the iPhone battery icon

Apple created iOS with a simple, intuitive interface, but there are still things that appear strange without explanation from the company. One of them is the faint line below the battery icon, the Wi-Fi and mobile wave bars that appear on the lock screen.

The secret line under the iPhone battery icon - photo 1

The mysterious line under the iPhone battery icon is actually an indicator point

This is not the first time something mysterious has appeared on the iPhone screen. Since iOS/iPadOS 14, users have been seeing an unusual orange or blue dot in the upper right corner of the “notch”. It is essentially a notification about an application running in the background and using the camera and microphone on the device.

The line under the battery icon appeared a long time ago, around iOS 11.2, but very few people seem to notice this. In fact, this is the indicator point for the location where the user can quickly open the Control Center (Control Center) from the lock screen, or figuratively speaking, it is the door handle to open the Control Center. This feature is similar to the bold line at the bottom of the screen, where users need to swipe up to unlock the phone.

Control Center is a special area containing “quick switches” to turn on and off some features such as switching Airplane Mode, turning on/off Wi-Fi, Bluetooth, mobile networks… Users can also set add many shortcuts to easily turn on/off the flash, QR code scanner, calculator… In short, quick access features are usually located in the Control Center to save users’ operations when need to use the applications and functions of the machine.

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Users are annoyed because anyone can pull down Control Center, they are also customized to not be able to open Control Center from the iPhone’s lock screen. However, this does not make the line disappear.

To turn off the feature of quickly opening Control Center from the lock screen, users follow the link Settings > Touch ID & Passcode (Touch ID and Password). There will be a Control Center section under the “Allow Access When Locked” section and simply pull the switch to the off position.

Apple is quite subtle in creating beneficial actions during user use, but the company does not mention or explain why there is a line below the battery icon, as well as a number of other “mysterious” features.

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