Turn Off Your iPhone Every Now and Then
Although it may seem backward not to have your iPhone ready to go at all times, there are occasions when you should shut down your iPhone.
By shutting down your iPhone, you can help it run smoother since some apps might be causing issues, even after you close them, especially with older iPhones.
If you feel like you shouldn’t turn it off completely, you can always give it a quick restart, and that’ll keep your iPhone running fast for a while.