Apple
IMEI, activation-lock and carrier checks for iPhone and iPad buyers and sellers.
How to Check if an iPhone Is iCloud Locked (Activation Lock)
Activation Lock can brick a used iPhone. Learn how to check iCloud lock status by IMEI before you buy, and what to do if it is locked.
AppleHow to Tell if an iPhone Is Refurbished or Used
Spot a refurbished, replaced or used iPhone before you buy — read the model letter, check warranty by serial, and confirm activation lock.
AppleHow to Check a Mac by Serial Number Before Buying Used
Used Macs carry the same risks as iPhones. Check activation lock and warranty by serial before you pay for a second-hand Mac.
AppleHow to Check iPhone Model & Specs by IMEI or Serial
Confirm the exact iPhone model, capacity and specs before you buy — decode the IMEI or look up the serial number.
AppleWhat Is MDM Lock on iPhone and How to Check It
MDM (Mobile Device Management) locks tie a used iPhone to a company. Learn what MDM lock does and how to check it before buying.
AppleHow to Prepare Your iPhone for Sale: Remove iCloud & Verify Status
Selling your iPhone? Sign out of iCloud, erase it, and verify the lock is clear so the buyer gets a clean device.
AppleiCloud Locked iPhone: What It Means and How to Check
An iCloud locked iPhone is tied to someone else's Apple ID. Learn what that means for buyers and how to check before paying.
AppleiPhone 12, 13 & 14 IMEI Check: What to Verify Before Buying
Older iPhones are still great value. Learn what an IMEI check should confirm before you buy a used iPhone 12, 13 or 14.