iPhone restore iPhone factory reset is a procedure to hard reset iPhone setting and user data to solve many kinds of software related problem. All cell phone companies offer an easy way to reset their product but it is not always an easy task for an iPhone owner. Sometimes it can be harmful for iPhone user. It is very important to clearly know about the iPhone hard reset. Any unexpected step can ruin your device permanently. Be sure to back up your valuable data before iPhone restore. I have published two articles about iPhone hard reset previously. In those articles I have written about iPhone factory reset in details. If you want to know about iPhone 3g or iPhone 4 please read those articles and I can insure you that you will able to solve iPhone 3g or iPhone factory reset.