You could access numerous useful iPhone features by typing in a few secret codes on your device. Lots of the codes work whether you have an old or new iPhone and they can let you do things like ...

You can check to see if your iPhone is unlocked in Settings or by checking the IMEI and serial number online. You can also test your phone by swapping SIM cards with another phone that has a plan with ...

Wondering whether that iPhone you plan on buying off of craigslist is truly unlocked like it says in the ad? Want to make sure that your iPhone is able to switch carriers after a legitimate unlock ...

Your iPhone says “iPhone Locked to Owner” after a factory reset and you can’t unlock it? This is a common problem that many iPhone users face when they buy a ...

With Apple's self-imposed June deadline for a public iPhone OS 2.0 release looming, hackers are working hard to ensure that tools for unlocking (allowing it to operate with non-sanctioned wireless ...