An iPhone may look perfect on the outside, but how do you know if it is new, refurbished, or a replacement unit?

Overview: Apple has a simple way to check whether your iPhone is new, refurbished, or replaced; all you need is its model ...

Ever wondered what M, F, N, or 3A means on your iPhone and how it helps to find out if it’s new, refurbished, or replaced? Let’s find out.

Your iPhone or iPad may look the same no matter where it's from, but Apple actually makes different versions of these devices depending on the country or region where ...