Show or know the exact battery life of your iphoneIf you are wondering how much battery life you have left in your iPhone, then here is a way to know it. The battery meter would be shown on the top of the screen. But still you won’t be able to know the exact percentage of your iPhone 3G’s battery life since the battery mater is so small. It’ll be more helpful if the percentage of your iPhone’s battery life is displayed. There is a very simple tweak to show the percentage. It is very, very simple. Just follow the steps given below to show the percentage of your iPhone 3G’s battery life.

1. First open ‘Settings’.

2. Then go to ‘General’.

3. Then select the ‘Usage’ option.

4. You’ll see the ‘Battery Percentage’ option. Just switch it on.

Now the percentage of your iPhone’s battery life will be shown along with the battery meter and you could know exactly how much battery life your iPhone have.