There may be applications that people may be desperate for to use on their phones such as hacks for xbox live codes but they may simply not be compatible with iphones which means you wont be able to use them on your phone. However, you may well find others with the same phone as yours taking advantage of the software leading you to enquire as to how they managed to get this done. The answer is simple and that is by jailbreaking it. Basic phones had simply to be unlocked to other SIM cards to be able to use them on multiple networks when they were initially locked to certain networks.

However, smartphones are much more complicated as they are driven by applications each giving the phone a set of powerful functionalities. While you can download a good range of applications from your manufacturers application centers, there may be those that they do not supply. If you would like to expand your horizons and be able to buy applications from different vendors and use them on your phone, you will have to jailbreak your phone so you are not restricted in what applications you can install on your phone. Details on jailbreaking an iphone can be found online. You are its owner and you have the right to use it the way you like because you already paid for it when acquiring it.