Jailbreaking your iPhone will let you enjoy multiple applications of all purposes including games, office apps, mobile libraries, music apps and graphic programs. You are practically unlimited in the amount of programs you can install on your iPhone - you should find the cracked .ipa files on the Internet (it can be hacker sources or related data).
The price for jailbreaking your iPhone can go from $30 to $100 depending on what kind of service you order - only jailbreak or game/apps installation. More popular computer specialists would ask for a higher price. However, if you do everything yourself it will be free of charge. Besides freedom in choosing your applications you can also change the themes on your device to make it look even more exquisite and unique.
There are several disadvantages of Jailbreaking your iPhone. The device will be without warranty if your software is found to have jailbreak. Sometimes iPhone users start facing PDF reader, camera and USB multifunctional adapter problems. Moreover, you may encounter possible software problems and have to re-install software without specialist assistance as your device will be without warranty. However, any of those problems are not permanent as long as you learn how to cope with them. If you learn how to restore the software you can still bring the device to Apple support center.
The way how to jailbreak your iPhone depends on the model of your device and current software version. You will need either iLiberty or ZiPhone programs along with Cydia app on your iPhone. Then go to JailBreakMe.com website from your iPhone Safari. Press Slide to JailBreak. Wait a little until a pop-up message informs you about Cydia installation is finished.
However, older versions of iPhone software may require additional efforts. You can learn more about each option on the Internet typing in your model and software version. Afterwards you will only need to find .ipa which is a cracked Apple application. Just use your iTunes to install numerous apps as usual. By the way, Cydia allows to crack the applications and their inner opportunities that were available before only for a fee.