Don’t trust the sticker. Trust the serial number. If you’re buying a used iPhone, Mac, or iPad — or even checking a “brand new” sealed device — there’s one free step that can save you hundreds of dollars.
✅ ✅ Technical support status (phone/chat eligibility) ✅ Repairs and service coverage (limited warranty, AppleCare+) ✅ Find My locked? (indirectly — if activation lock is on, Apple can’t show ownership) What a good result looks like “iPhone 14 Pro – 256GB – Deep Purple” “Valid Purchase Date” “Repairs and Service Coverage: Active” “AppleCare+ – Expires June 2026” That’s a healthy, legit device with coverage. What a bad result looks like 🚫 “This serial number is not valid” → Fake, typo, or modified device (common with refurbished fakes)
Your future self — and your wallet — will thank you. Have a serial number horror story? Drop it in the comments.
Apple doesn’t offer a full “stolen phone database” to the public, but the coverage checker still exposes most red flags: fakes, wrong models, expired support, and mismatched purchase dates.
🚫 “Purchase date not validated” → Device may be new but never sold legitimately, or it’s a stolen unit
🚫 “Coverage expired” → Fine for older devices — but useful to know before buying Always run the check in person before handing over cash. If the seller refuses to share the serial number until after purchase — walk away.
Avoid third-party “serial check” sites — many are filled with ads or outdated data. Apple will instantly show: