If the app is on a device that belongs to another person, you may need to tap Sign Out in the upper-right corner of the app screen in order to sign in with your own Apple ID.

If the phone has been powered off or the battery has died, it will show you the last known location of your phone.

Enter an unlock code for your phone. Use a random number set that’s not tied to you: no SSN, no birthdate, driver’s license number, or anything that is personal. Send a message and contact phone number that will be displayed on your screen. If your iPhone is online, it will immediately lock and cannot be reset without the lock code. You’ll be able to see your phone’s current location, as well as any changes in location. If your phone is offline, it will lock immediately on power-up. You’ll receive an email notification and will be able to track your phone’s position. Back up your iPhone to iCloud or iTunes on a regular basis, in case you ever need to restore erased data.

This method only works if location reporting and history are enabled on your iPhone. Locate your iPhone using a different method in this article if these features are not enabled.

Tap and hold the ping button to have your iPhone flash its LED light. This can be helpful when trying to locate your iPhone at nighttime or in the dark. [6] X Research source

Move from room to room as you call your phone. If you don’t have access to another phone, but have access to a computer, try ICantFindMyPhone. com. Enter your phone number on this website and it will call your phone for you. Check hard-to-reach places.

You can also file a report if you believe your phone was stolen. If you have the IMEI/MEID number for your iPhone, give it to the law enforcement official when you file your lost or stolen report. This will help track your phone in case it gets sold to someone else.

Some carriers allow you to block service for a period of time in case you think you will recover your phone again in the near future. Dispute any charges incurred if you think your iPhone was stolen.

If you are not signed in, tap Sign in to (Your Device), enter your Apple ID and password, then tap Sign In. If you are running an older version of iOS, you may not have an Apple ID section in Settings.