iCloud Activation Lock: How to Check Before You Buy

Find My keeps stolen iPhones useless. Here is how to make sure the phone you want is clear.

Activation Lock is Apple's anti-theft system. The moment Find My is switched on, the iPhone binds itself to that Apple ID, and it will refuse to finish setup for anyone else until the account password is entered or the device is remotely removed from the account. It is brutally effective — and a nightmare if you buy a locked unit by mistake.

The danger scenario is simple. A seller wipes the phone but forgets (or declines) to remove it from their Apple ID. You pay, take it home, start setup, and hit a screen demanding a password you do not have. Without the previous owner's cooperation, the phone is a parts donor.

This is why Activation Lock is the single most important thing to verify on a used iPhone — and an IMEI check cannot do it for you. The lock lives in Apple's account system, not in carrier data, and Apple withdrew its public web checker years ago, so no IMEI lookup, ours included, reports it. It has to be confirmed on the phone itself.

To protect yourself, always ask the seller to fully sign out of iCloud and erase the phone in front of you, then confirm setup reaches the home screen. If you cannot meet in person, ask for a screen recording of Settings showing the Apple ID signed out, or of the erased phone reaching the “Hello” setup screen without asking for a previous owner's password. Run the IMEI check as well — it covers the device, carrier lock and blacklist, which are separate risks.