I got a new iPhone 5S recently, and I've heard you need to drain the battery and let it die completely after charging it fully. Is this really necessary? Or does it even make much difference?
I've also heard it's bad for the type of batteries in an iPhone to get below 40%? True, or does it matter?
I've also heard it's bad for the type of batteries in an iPhone to get below 40%? True, or does it matter?