This requires opening the device, which is risky. Only attempt if you are experienced with electronics repair, or simply check the old battery after it has been professionally removed.
![Descriptive text: Example of a battery label showing "S/N:"] apple battery serial number check
Until then, checking that hidden serial number is the best detective work you can do yourself. Have you ever found an “Unknown Part” warning on your iPhone? Let us know in the comments below! This requires opening the device, which is risky
Unlike AirPods or some Mac accessories, there is no “Check Coverage” portal for an iPhone battery serial number. Instead, you must read the number directly from the device’s software or hardware. For iPhones running iOS 12 and later (and iPads with iPadOS 15.2+), you can find the battery serial number buried in the settings—but only if the battery is genuine and properly configured. Have you ever found an “Unknown Part” warning
We all obsess over our iPhone’s Battery Health percentage. But there’s a deeper, more technical layer of battery diagnostics that most users never see: the battery’s serial number.
Once the battery is out, look at the white printing on the black or silver foil wrapping. You will see a barcode and a line labeled followed by 12 to 16 alphanumeric characters.