I am on ios 6.1.3 64gb iphone 4s. battery drains within 1/2 day with the same amount of use as prior to 6.1.3 install. what is the issue and are there any pointers on. I have a iphone 4s with ios 6.1.3 my phone suddenly started to drain the battery. i have updated it for a long time ago, so it can't be it. i really.... It became clear to me that i had a significant and draining issue with my iphone 4s during a recent power outage at keyano college. with no access to a working wall.
Some ios 6.1.3 users hit by battery drain and wi-fi ios 6.1.1 causes battery drain, say some iphone 4s users; another ios 6.1.3 glitch affecting some users is wi. Easy fix iphone 4s battery drain upgrading to ios 7 "last night i updated my iphone 4s to a ios 6.1.3 and now it drains my battery in extremely fast manner.". Iphone 4s upgrade to ios 6.1.3 battery drain it became clear to me that i had a significant and draining issue with my iphone 4s during a recent power outage at.