How To Tell If Your Iphone 6 Battery Is Bad. Go to Settings Battery. The only way to tell if the iPhone battery is completely dead at this point is to connect the phones charger and look for a battery icon.
How to check your iPhones battery usage. Every time you go through a charge cycle on your iPhone youll permanently lose anywhere from 30 seconds to a minute of battery capacity. You can perform a simple battery performance test on your iPhone to tell whether its on its way down.
Launch Settings from your Home screen.
Here are some tips on how you can tell if your battery. How to check your iPhones battery usage. Here are some tips on how you can tell if your battery. With your iPhone connected to the Mac running coconut Battery you get access to metrics about your iPhone that can help you determine if its worth spending 29 on a new battery.
