how many times can i shut down my iPhone in the day ,is that harmful?
I had android so I don't konw anything about ios
iPhone 15 Pro Max, iOS 17
It’s rare to actually shut down an iPhone.
More common to poke the side button and allow the iPhone to sleep.
I’m not aware of a limit on sleep, past the available battery reserves obviously.
Here is the user’s guide, if you’ve nit already met this: iPhone User Guide - Apple Support