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My iPhone Is Lost or Stolen — What Should I Do First?

A missing iPhone creates the urge to press every button at once. Don't. The first useful decision is whether the phone might still be recoverable.

You're probably here because your iPhone isn't where you left it — maybe it slipped out of a pocket, maybe someone took it. The instinct is to do everything at once: locate it, lock it, change every password, erase it. That instinct makes the situation harder, not safer. You do not have to solve location, account security, data, and erasure at the same moment.

Direct answer: decide which situation you are in before acting. If the phone may just be misplaced, try to locate it with Find My. If you can't recover it right now, mark it as Lost and keep tracking it. If you believe someone took it, treat it as both a device-recovery and an account-security situation, and follow Apple's guidance. If it isn't coming back, consider a remote erase. A missing phone does not by itself prove your Apple Account was compromised — the account steps only follow when there is evidence of compromise or Apple's guidance calls for them.

First, decide which situation you're actually in

Before any action, classify the situation you are actually in. The point is your own circumstances, not a guess about other people's phones:

I probably misplaced it. You still have a plausible location or recent context — a coat, a car, a friend's place. Start with Find My, Play Sound, and retracing the immediate situation.
I cannot recover it right now. The phone is somewhere you can't reach, or you have no useful location. Mark it as Lost and review the device and account state from another device.
I believe someone took it. There is evidence suggesting theft rather than simple misplacement. Treat recovery, device protection, carrier, and account-security decisions as separate questions.

Before you assume the worst

A missing phone contains several fears at once. Separating them helps you act instead of panicking:

Where is the phone?
Can I recover it?
Can someone use it?
Is my Apple Account affected?
Are my photos and data still available?
Should I erase it?

Those questions do not all have the same answer, and they do not all call for the same action. Treating “phone missing” as one event — data gone, account compromised, erase immediately — skips the step that actually protects you.

What Find My can and can't do

Find My is the main tool, and each action is a separate decision:

Locate. Shows the phone on a map when it is online; if offline, the last known location or nothing.
Play Sound. Rings at full volume — right for a phone you believe can still be reached, like one under a cushion or in the car.
Mark as Lost. Locks the device with its passcode, shows your contact message, and suspends Apple Pay cards on that device. It keeps tracking the phone.
Erase. Removes the device's content and settings remotely. It is more consequential and cannot be undone.

All of this only works if Find My was turned on before the phone went missing. If it was never enabled, the data and account steps below are your next move.

Why you shouldn't jump straight to Erase

Mark as Lost and remote erase do different jobs.

Mark as Lost locks and protects the device, shows a contact message, keeps a recovery path open, and suspends Apple Pay cards on the device.
Erase removes your personal content. It fits once you have decided the device should not be recoverable, but it can't be undone.

A remote erase does not make the device vanish from Find My. Activation Lock is designed to prevent another person from activating the device without the required account credentials, and it stays on after an erase. Do not remove the device from Find My just because you erased it — removing it releases Activation Lock.

Losing the phone is not the same as losing the account

A lost or stolen iPhone does not by itself prove that someone has accessed your Apple Account. The two events are related but not identical.

Review your account rather than assuming the worst:

the list of trusted devices on your account;
your account information and recovery details;
any unexpected verification codes;
any unfamiliar account activity.

Only when there is evidence of account compromise — or Apple's security guidance calls for it — should you take account-security action. For the distinction between normal authentication and an account event, see Why is my iPhone asking for my password again?. If someone asks for a code or password claiming to have found the phone, see is someone asking for my Apple ID code a scam?.

Your data: was it only on the phone?

The right next question is not “is my data gone?” but “where did my data live?”

Was it only on the missing phone? Then the gap depends on what synced before it went missing — see What if my iPhone is lost before everything syncs?.
Was it already synced to iCloud? It may still be available on your other devices and at iCloud.com.
Was it in iCloud Backup? Understand what the backup relationship does and doesn't cover — see Do you need iCloud Backup?.
Do you know neither? Don't invent certainty. Check the available iCloud and account evidence before assuming the worst.

For what iCloud Photos specifically protects, see Is iCloud Photos actually a backup?.

What not to do

Don't erase while you are still trying to recover it. Mark as Lost keeps it recoverable; erase is the last step.
Don't remove the device from Find My merely because you erased it. That releases Activation Lock, which you want to keep.
Don't enter credentials into a message or page sent by someone claiming to have found the phone. Apple does not contact you about a found device or ask for a passcode or verification code.
Don't manually delete synced photos as a response to losing the phone. That removes content from the library everywhere, not just from the missing device.
Don't assume the loss proves account compromise. Review the account evidence; act on what you actually see.

When to contact your carrier or the police

Carrier: if theft is involved, Apple's guidance may recommend contacting your carrier to suspend service on that line. Whether that helps recovery depends on the situation.
Police: filing a report is a practical choice based on your circumstances and local requirements. Not every missing phone requires one, and insurance questions depend on your own policy.

You probably don't need to

Buy a replacement before deciding whether the old phone is recoverable. Find My and Mark as Lost exist for exactly this window — use them first.
Erase the device while you are still actively trying to locate it. Mark as Lost protects the recovery path; erase ends it.
Change the Apple Account password solely because the phone is missing. The account matters, but the password change follows evidence of compromise or Apple's guidance — not the loss alone.
Remove the device from Find My because you are finished looking. Keeping it there preserves Activation Lock and tracking.
Click links sent by strangers claiming they found the phone. Treat unexpected credential requests as a separate security situation.
Assume a missing phone tells you what happened to your cloud data. Where your data lived is a separate question — check iCloud, not the phone's absence.

A simple way to decide

I think it is nearby. Find My / Play Sound / search the locations you can still reach.
I cannot reach it. Mark as Lost and preserve the recovery path.
I believe it was stolen. Separate device protection from the account-security review; contact your carrier where appropriate.
I have decided it is not coming back. Review the data and account situation, then consider a remote erase.
I received an unexpected message asking for my password or code. Do not provide it. Treat this as a separate security or scam situation — see is someone asking for my Apple ID code a scam?.

What to do next

Not sure which step fits your situation? Tell us whether the phone was likely misplaced or taken, and whether Find My was on, via Ask Us — we'll walk you through the right order.