After tapping "Download and Install," the gear wheel spins, and you wait. Minutes pass. The iPhone freezes on "Verifying Update" for hours or displays the dreaded "Unable to Install Update" message.

Your iPhone's cache memory helps keep things zippy, but it can slow down as unused and corrupt files accumulate. Fortunately, a regular spring clean can help.

Learn how to enable and use Find My iPhone to locate, secure, or recover your lost or stolen device with this comprehensive guide.