In order to fully reset your iPhone to factory settings, you'll need your device's passcode to unlock it and the iCloud account password and information. Before you reset your phone, you might ...

An iPhone 5C, for instance, may carry an 'A' number ... etc.) by opening the Settings app on iOS and navigating to General > About > Capacity. You'll also be able to find out the serial number ...

An entry-level iPhone 5 smartphone, introduced in September 2013 along with the 5s. The 5c featured iOS 7, a completely redesigned OS for the first time since the iPhone's debut in 2007 (see iOS ...