Originally Posted by
kch50428 Make sure you're using Apple supplied or "made for i" accessories for charging... Then periodically let the phone run until it shuts off by itself and allow it to charge undisturbed for several hours... Do this every 3 months or so...
With newer technology batteries it is my understanding that this was exactly what you are NOT suppose to do. Back in the day that was a followed practice but nowadays you're not suppose to let it die at all. The whole fully discharge and recharge thing doesn't apply anymore, not with lithium. There are many threads about this throughout the various smartphone forums. I have also been told this by apple techs.
#5 in the following article is one of many that confirm.
5 Phone Charging Myths, Debunked