If your battery in your Apple iPhone is acting up, maybe it's time you had it replaced. Don't waste money taking it to a repair shop though, learn how to do it yourself.
This video tutorial will show you how to dismantle your Apple iPhone. This cell phone is a great asset, and it can't be if your battery is messed up, so fix it yourself, but you can't fix it unless you know how to disassemble your mobile phone. Then, it's as easy as disconnecting the old battery and inserting the new one.