Tips

What is Power Reserve on Apple devices? How does it work? What’s it good for?

An image showing a red power icon in the middle, set against a dark-patterned, slightly distorted background

Power Reserve mode allows you to use certain features when the battery is low or the device is completely turned off. It runs your device on low energy until the battery is fully depleted, letting you access features like Apple Pay that don't require the operating system to be up and running. In this guide, we're going to explore how Power Reserve works, see which devices support this handy feature and learn what you can do with it.

10 free ways to send large videos and files from iPhone

Two iPhones side by side to send files

Wondering how you can send a big video, graphics-heavy document, or other large files to someone from your iPhone? Look at ten ways to send big files from your iPhone to someone on another iPhone, iPad, Mac, Windows PC, or Android phone. Most methods here are wireless, while others will require a Lightning cable.

Periscope aka folded lens: What it is, how it works and why it’ll boost iPhone photography

A scene from Apple's showing Selena Gomez posing for a selfie with her iPhone 6s camera with a bunch of reporters in the background photographing her

A dedicated telephoto lens (aka zoom lens) found on some iPhones boosts iPhone photography with optical zoom capabilities. Future iPhones are rumored to allow for even deeper zoom by adopting a periscope lens (or foldable lens as it's sometimes referred to). At its core, this technology diverts light through a prism and into a telephoto lens set at a ninety-degree angle to a rear-facing lens and buried deep inside the chassis.

How to force-quit apps on your Apple Watch

Apple Watch with many apps on a light gray background with faint red cross

If an app on your Apple Watch unexpectedly quits, stops responding, freezes, crashes, or won’t open, there’s a solution to that. Just follow this step-by-step tutorial to learn how to force quit a misbehaving app on your Apple Watch running any recent version of watchOS, including watchOS 8.