The supergeekguy restore your iPhone or iPod. Make sure all applications and the music is stored in iTunes, because after that date will return all equipment destroyed. Ps dose treatment to kill jailbreaking apple
nice video to demonstrate how to do the process of iPhone jailbreaking properly but you should always create iPhone backup before doing these things that might be dangerous even if they say they are completely safe. iPhone backup software is a good way to make iPhone backup and provide the iPhone data safety.