Apps that grab data or refresh their content in the background can suck up battery life. If you're running low on battery power, you can tell them to stop. To do it, go to Settings --> General --> Background App Refresh and make your change there.
Auto-populate Web forms...or not
Tired of re-typing in your name, contact information, passwords, and more on Web pages? Safari now has the option of doing that for you. Go to Settings --> Safari --> Passwords --> AutoFill and make your choices about what you want Safari to fill in for you, and what you don't.
Swipe your way to where you've been
There's now an easy way to go to the previous page when you're doing things such as reading an email, or you're a level or more down in the Settings screen. Just swipe backwards. That's all it takes. If you're at the top level of some task, such as at the main Settings screen, nothing will happen.
Hide notifications from prying eyes
Right from the lock screen, you now see notifications, such as your appointments and sections of your messages. That's great if you're alone. But if you're in public and are worried that someone might be able to see all that, you can turn the feature off. Go to Settings --> Notification Center and turn it on or off under the Access on Lock Screen setting.
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