Marking a stolen iPhone as lost instantly locks your data, but the real race is securing your accounts before the thief does. Here is how to lock it down and recover.
Your first instinct may be to retrace the day and check under car seats, behind couch cushions, or anywhere you recently used your iPhone. Do that, but secure the missing iPhone immediately while you search so a simple loss doesn't turn into stolen access to your accounts.
The hardware is replaceable. What's harder to replace is the access your iPhone carries, including passwords, payment cards, verification codes, and often the only trusted connection to your Apple Account. A locked iPhone is difficult to break into when nobody else knows the passcode. The danger rises sharply if a thief has watched you enter it, because that code can expose saved passwords, account recovery options, and other security settings.
Find My should be one of your first stops, and timing matters. It can locate the iPhone, play a sound, display a message, activate Lost Mode, or erase the device when recovery no longer looks realistic. What the map shows should determine what you do next. Removing the iPhone from Find My disables Activation Lock, while erasing it too soon can destroy information stored only on the device. Thieves may also send fake Apple messages, claiming the device has been found and pressing the owner to reveal a passcode. Replacing the hardware is only part of getting back to normal, since the owner may still need to restore the cellular number, recover authentication codes, file an insurance claim, and restore data from iCloud or a computer backup.
Source: AppleInsider · Summarized by HeadlinesBriefing