I see people "jailbreaking" iPhones. What does that mean?
Jailbreaking is kind of like a cheat for your iPhone, but I highly recommend not doing it. You take a high risk of disabling your phone and breaking it.
It's basically enabling your iPhone to get just about any app for free. Also enables a lot of new features.
The main purpose is to be able to download third party apps that Apple doesn't support
Get apps for free