How to Make Find Your iPhone Work on a Dead Battery in iOS 8
Apple's Find My iPhone is an essential feature to have on your device in the case it's either lost or stolen. Using the power of iCloud, Find My iPhone works to receive the device's location whenever you need it, accessible on other Apple devices or via the web your computer.
Unfortunately, if your battery dies, the Find My iPhone feature won't work. However, new to iOS 8 is a feature called Send Last Location, which improves Find My iPhone by automatically transmitting the location of your device right before it dies of low battery. This won't help much if a thief manually turned your iPhone off, but it's a step in the right direction.
First, go to Settings -> iCloud -> Find My iPhone and make sure Find My iPhone is togged on. Next, make sure Send Last Location is enabled. Now, the location of your iPhone will be sent to your iCloud (accessible online) whenever the battery is critically low.
To locate your device, use the Find My iPhone app on another Apple device or log in to your iCloud account on a computer to access the last known location of your device. iCloud will only store the location for 24 hours, so you'll only have a day to check out the last location of your device.
While this won't solve the problem of a stolen phone that's on the move, it can shed more light on misplacing or dropping a phone that somehow died. Send Last Location is sure to help many find their misplaced iPhones.
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