Checking the serial number of an iPhone is the single most important step before purchasing a used device, sending one in for repair, or verifying warranty status. It reveals the device's history, authenticity, and legal status.
Indicates if you are still eligible for free over-the-phone support (usually 90 days from purchase). serial number iphone check
The only 100% reliable source for checking a serial number is Apple’s official website. Checking the serial number of an iPhone is
| | | IMEI | |--|------------------|-----------| | Length | 10–12 characters (letters + numbers) | 15 digits (numbers only) | | Best for | Warranty, support, Apple services | Carrier locks, blacklist, theft reports | | Where to find | Settings, box, Finder/iTunes | Settings, dial *#06# , SIM tray | | Can Apple track theft? | No | Yes (with police report) | The only 100% reliable source for checking a
For most everyday checks—warranty, authenticity, Apple support—the serial number is all you need.
If you don't have the device but synced it with a computer: