Well, i have just bought iphone 4 running ios 6.1.3, everything works fine its fast and no lag but when it comes to battery its really awful i get about only 3 hours of usage (games, apps, internet,) and almost a day standby and thats very low in normal cases it should have about 7 hours of usage and a 2 days if not 3 of standby i also noticed that it gets warm when i play games specially if they were 3d games? so any help? even though i have turned many things off…
См. статью: IPhone 4 Battery Issue! Any Help?