How to find your lost iPhone or iPad — by Apple Support
Explains how to locate a missing device with Find My, mark it as lost and protect your accounts if it is not recovered.
iPhone
9 curated resources, easiest first.
Explains how to locate a missing device with Find My, mark it as lost and protect your accounts if it is not recovered.
Advice if a device is stolen: lock it through Find My, keep it on your Find My list, report the theft, erase it remotely if needed and check account security.
Explains how two-factor authentication protects your Apple Account with a password plus a six-digit code, and how to turn it on from a device or the web.
Explains how to set and change a passcode and the options for code type, including erasing the device after repeated failed attempts.
Covers locating a device on a map, playing a sound, marking it lost or erasing it from the Find My app or iCloud.com.
Explains the extra protection when the iPhone is away from familiar places: Face ID or Touch ID for sensitive actions and a one-hour delay for critical changes.
Describes how passkeys replace passwords with public-key cryptography and sync through end-to-end encrypted iCloud Keychain.
Shows how to review and stop sharing information with people and apps, including Emergency Reset to cut off all sharing at once.
Describes Lockdown Mode, an optional extreme protection for people who may be targeted by sophisticated attacks, and how to turn it on.