How To Open Iphone 4 Battery. For less than a dollar. Do remember to throw the old battery into the certain battery collection area or it will be very harmful to the environment.

Remove SIM Card from iPhone 4. Battery swelling happens due to a little thing called outgassing which occurs when a battery gets overcharged damaged or simply oldUnder those circumstances the chemical reaction that keeps your battery running breaks down and just like the name suggests outputs gas. Undo all the screws which are securing the front bezel to the iPhone.
Step 1 Rear Panel.
If you are not convinced of your batterys longevity and wish to replace it check out this clip. The two methods are both correct to open iOS 4 devices. This video will show you that replacing the battery in an iPhone 4 is quick and super easy. Do remember to throw the old battery into the certain battery collection area or it will be very harmful to the environment.

