ZDNET: “I’m guessing your iPhone has dozens of apps running and maybe a couple of browsers, each with way too many tabs open at all times. I know mine does. The thing is, all that activity causes cached data to build up over time. Every time you use apps or browsers on your phone, they locally store bits of information such as images, scripts, and logins to make your iPhone perform faster. Websites load quicker, and apps feel snappier. At least that’s how it’s supposed to work in theory. But like a junk drawer that starts out as a handy place to keep odds and ends — like a screwdriver, sticky notes, or a spare battery — so you can grab them and get things done fast, cached data eventually overflows and makes it impossible to work quickly. Clearing your cache is like cleaning out that drawer. Suddenly everything works the way it should. Your phone feels lighter and runs smoother. So let’s walk through every way to clear the cache on an iPhone running iOS 26, and why you should make it a habit…”
See also Life Hacker 10 iPhone Privacy Hacks Everyone Should Know “…Everyone should be using Safety Check on iPhone. This feature immediately lets you identify who you’re sharing what with, including passwords, fitness activity, your current location, calendars, notes, and other data. To check on it, head to Settings > Privacy & Security > Safety Check > Manage Sharing & Access. You can go through the prompts to review app permissions, and set up an emergency contact, which ensures that your data (and you) are safe. While you can manually access all these options in the Settings app, the Safety Check prompt lets you find all features without combing through multiple pages, which will save you a lot of time…”