Here's how you zoom back out when your iPhone's screen is zoomed in. Practice zooming in and out so you'll remember, when you need it.
Quit hunting around in the iOS Settings app, looking for some setting. Instead, ask Siri. Siri can take you right where you need to go.
New in iOS 13: Swipe to Type. Swipe to Type (or Slide to type, in Apple's words) is a new way to enter text from the keyboard.
iOS 13.1.3 has a bug: you can't rearrange app icons! Well, actually you can, but you have to know the trick. Here it is.
The latest iOS is 13.3, released Tuesday, December 10th, 2019. If you've installed iOS 13 already you should definitely get the update to 13.3. If you have an iPhone that can't go past iOS 12, get the 12.4.4 update, released 12-10-2019.
Some iPhone models look a lot alike! In iOS 12 you can find out exactly which one you have, right down to Apple's part number.
Use Siri to translate from nine foreign languages into English. See the translation, and hear it also. It's as easy as "How do you say..."