Just in time for Christmas the hacker group hit evasi0n jailbreak untethered iOS 7, ie you do not need the device is connected to a PC or Mac every time you reboot. It is best that this jailbreak is compatible with all models of iPhone, iPod touch, and iPad mini iPad using iOS 7.0 to 7.0.4.
Evasi0n is available for free at their website. The process of releasing the device lasts about 5 minutes and requires a Windows PC or a Mac
Phoneia.com (December 22, 2013). Evasi0n 7, an offline Jailbreak for all iOS Devices 7. Recovered from https://phoneia.com/en/evasi0n-7-an-offline-jailbreak-for-all-ios-devices-7/