Hello, I currently have a jailbroken iPhone 5c that I would like to un-jailbreak. iTunes won't recognize my phone at all, and DFU and recovery mode don't seem to work either. I don't want to lose all of my data. If I update my phone will it unjailbreak it? Should I maybe try using another computer? Also, if it does work on another computer, could I back up my jailbroken iPhone, reset it, and restore it from the backup and still have everything except the jailbreak part?