iOS 15
How To: Type to Siri on Your iPhone When You Don't Want to Talk
Back in May 2017, Apple filed a patent application for a way to communicate with Siri by writing her questions and responses using iMessage. While that didn't make it into iOS, thankfully, something even better did — a way to ask Siri things with the keyboard directly in the Siri interface. This works in iOS 11 and later.
How To: Turn GIFs into Live Photos on Your iPhone
If you've ever wanted to turn your favorite GIF into a live wallpaper for your iPhone or even just make it a 3D Touch-friendly Live Photo that you can share, there's a super simple way to do so.
Safari 101: How to Find Specific Words or Phrases in Webpages on Your iPhone
Apple's default browser for iOS, Safari, has a ton of useful features, and there's so many that it's impossible to know everything you can do to browse the web more efficiently. One you may not know about brings the Command + F keyboard shortcut right to your mobile browser so you can search for words or phrases directly on any webpage you're viewing.