There are a number of ways to locate your iPhone's MEID and IMEI numbers. The Mobile Equipment Identifier (MEID) is a serial number introduced in the mid-2000s to replace Electronic Serial Numbers ...

Getting to know the IMEI of your iPhone is a useful trick – and quite possibly essential, if you’re unlocking your iPhone – but it became slightly more difficult a few years ago when Apple stopped ...

Readers offer their best tips for finding your iPhone's serial number, rifling through about:config, and speeding up iTunes. Don't like the gallery layout? Click here to view everything on one page.