My iPhone 4S had for just over 2 years already a really lousy battery life (even with little cellphone use I rarely came to night through), but the update to iOS 8 then gave him the rest and if I then times GPS parallel to listen to music and yet little WhatsApp have used was the thing within an hour yet. iOS 8 is simply not optimized for the 4S, even if with some measures described in relevant forums can still rauskitzeln some capacity. Since changing the battery to get with regular use throughout the day (also incl. GPS, Safari and phone calls) with the battery capacity grade so every now and invite every night. Yes, unlike other smartphones is still pretty meager, but that was about the best times original batteries otherwise and in particular with iOS 8 it is because not rauszuholen much more.
TIP BATTERY REPLACEMENT: antenna cover and glues
The battery change was a murder Gefrickel because the YouTube tutorial that I used was simply not mentioned that when releasing the battery "case of the antenna connector" also dissolves - and I suddenly there was such a micro-part lying around and had no idea where to put it. This tutorial here (as also determines most other climbers, but not all) do it right:
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Also:
Do not be confused by the tenacity with which the battery is glued into the housing. Once you've solved the plug, the battery is free, you then have to him from the right (the side with the switch on the vibrating alert, for there no more electronics that can damage her is) raushebeln who already then comes with little persuasion; ).
