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Why does a loading spinner appear after i turn off my iphone ? why not a simple text saying switching off or turning off .

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closed as primarily opinion-based by DA01, Matt Obee, Charles Wesley, Joshua Barron, JonW May 24 '14 at 20:42

Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise.If this question can be reworded to fit the rules in the help center, please edit the question.

Because it isn't a loading spinner, just a "busy" spinner? – Marjan Venema May 24 '14 at 13:15

iOS designers tend to have a minimalistic approach when taking design decisions around interface elements (for content too, though John Ive takes occasional strolls away from that path). They generally choose not to be over-obvious in an attempt to make the interface itself to become more transparent, which is also in line with their published design guidelines.

In this case, I can imagine they thought writing it out would be a case of being too obvious.

If the user switched the device off voluntarily, the question about what's going on kind of answers itself.
If the device switch itself off, because of low battery presumably, either the user will notice both the prelude of that (warnings about low battery and ultimately, a notification that basically says "Switching off", if I'm not mistaken), and then see the loader. Together they make sense. Or, the user most likely doesn't see any of it, missing both the notifications and the spinner.

In either case, an info label would do nothing or very little to help the user, thus not justifying abandoning the minimalistic ideals for.

This is my guess, though it's very hard to actually give a correct answer to questions like this.

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