To replace the battery of your phone, you need to follow a few simple steps. Which you can do on your own and it is not necessary to take your phone to a service center to replace the battery.
You will need the following set of tools:
So, here is a step-by-step guide for replacing the battery on an iPhone:
If you have any questions about replacing the battery of iPhone and other manufacturers of smartphones and you want to make money on it, you can take phone repair courses at the Bgacenter training center, where you will learn how to learn modular and software repair and soldering.