The company's devices Apple, although they are extremely easy to use, some users still sometimes have questions about all kinds of icons used in the interface. The most popular of them is: 'What is this lock in the mug?'. The answer is extremely simple.
This designation is observed in two places: in the upper right corner of the screen near the charging indicator of the device and in the control panel.
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Let's start with the second case, since the first follows from it.
By itself, this lock is a lock icon for changing the orientation of the phone. On the control panel, it can be of two types: highlighted in white and not. The first case means that the device is prohibited from flipping the contents of the screen when placed on its side.
It is then that this icon is observed near the battery indicator. Accordingly, in the second case, the screen content will change the orientation after the device itself.
When orientation change is on, there should be no padlock in the upper right corner of the device.