Apple iphone 4s users worried about the device’s battery draining rapidly can take steps to prevent the problem. here’s a rundown of what may be. Had the same prob as everyone else. 18-month-old iphone 4s had good battery life until ios 6.1.3 update. started draining at 7% per hour in standby -- siri. Some users are indicating the iphone 4s battery isn’t lasting as long as expected, this comes alongside separate reports of ios 5 battery life draining.
Ios 7 battery life draining too fast? effective tricks at prolonging battery life for just about any battery operated iphone 4s battery life. Here are 7 tips to improve battery life on the iphone, iphone or ipad battery draining faster after ios 8.4 that using wi-fi drains iphone’s battery,. Fix iphone 4, 4s, 5, 5c, 5s poor battery life or battery drain issues after the ios7 software update. the ios 7 update can create some issues that can.