it is jailbroken with jail break me and everthing was going good untill today now it will cut off after 20 minutes or so comes right back on i did some updates last night and everthing else i down loaded i got rid of the only thing it updated insomnia and i have it cut off for right now. any ideas ? the last iphone 3gs i had did this and it wasnt jailbroken and apple replaced it.