As soon as you get your new iPhone, one of the first things you're likely going to do is start installing your favorite apps. After all, you need those email and messaging apps for work, calorie ...

Sideload apps: Follow developer instructions to add to your phone. Not common. Risky: Jailbreak an iOS device and load apps to it. This article explains how to get apps that are not in the App Store ...

Some of these directions apply to all iPhones, but some are only relevant to specific iOS versions. These differences are pointed out below. The most common way to keep apps updated on your iPhone is ...