If you do want to take a stab at doing the phone repair that you need on your own, a good idea is to use the web to help you. There you can find online tutorials that can provide you with all of the information that you need and want to have. Choose what works for you, though.
Often, it is easier to replace a phone than to try to repair it. In many cases, this is a good idea for those that are looking for an affordable solution, too since often times the repair service is more expensive than the phone would be to purchase new again.