Forget guessing how much is left in your battery before it reaches 0%.
One of the features of the iPhones is their limited ability to visually modified by applications, unlike Android which can even change the theme that is the default. That’s why many people turn to jailbreak in order to make these changes. But this implies that the iphone is reduced performance (of course, depending on what changes you make).
But if you are a person who needs to know how close you are to your iPhone battery to run out and the icon is on the upper right side of your screen does not help you, I give you a tip so you can see the percentage of consumption without performing the jailbreak blessed.
How To Add The Battery Percentage In iPhone Steps
What you have to do is the following:
Go to the Settings
Click On General Settings