Jailbreak Causes Problem?

Illegal software really makes so many problems. That is what my friend commented after jailbreak her iPhone. Haha

She just msned me her iPhone suddenly turn to black and has no response at all. It only becomes ok after press the home + on button together. She has no idea what is wrong and was suspect is the jailbreak problem. hmm.. I am not sure what problem also because mine is ok wor…I have to pray hard nothing going wrong with my iPhone now.