Aside from the graphical representation of a battery life, you may also want to see the remaining juice of your iPhone represented in percentage points. Luckily this capability comes built-in and you can quickly enable it by taking the next few steps:
- Tap “Settings”
- Then “General”
- Tap “Usage” and you’ll see the screen with information on the iPhone usage since last charge, including standby time, call time and data usage. You don’t need that now and you should…
- Turn on the toggle for “Battery Percentage”
And you’re done! Click the home button and now you’ll see the remaining percentage of battery life in the top notification bar. This information will be visible across all screens of the operating system…
[Via: tipb]