🚫 “This serial number is not valid” → Fake, typo, or modified device (common with refurbished fakes)
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. apple product check by serial number
Here’s a blog post tailored for someone who wants to explain — useful for buyers, sellers, or anyone verifying a device. 🚫 “This serial number is not valid” →