It sound incredible ????
Actually is the normal behavior for an iPhone 5S ...
Yesterday it ended up with 8hrs and 10minutes of usage over 20 hrs standby.
Always in 3G (I don't have a 4G Subscription right now because it's too pricey with my provider)
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In my experience that is strongly related to your network.
There are places where my iPhone lasts no more than 5-6 hrs and other places (my hometown where I'm right now) where I can reach 8hrs without problems.
Actually is the normal behavior for an iPhone 5S ...
Yesterday it ended up with 8hrs and 10minutes of usage over 20 hrs standby.
Always in 3G (I don't have a 4G Subscription right now because it's too pricey with my provider)
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I'm always around 6:45 on my 5s with no games and some music listening. It definitely isn't good as most people here get at least 7:30. I set it up as a new phone a few weeks ago too and it's still not where it should be.
In my experience that is strongly related to your network.
There are places where my iPhone lasts no more than 5-6 hrs and other places (my hometown where I'm right now) where I can reach 8hrs without problems.