Re: What does always-on mobile data do?
I have it turned off and it did help with battery life.
With it on, it will keep your data connection alive and it'll never disconnect. As we all know, data can kill your battery, especially is a low signal area.
With it off, I believe it connects and disconnects when it needs to. If an app needs to get online, it'll connect, let it do its thing, then disconnect.
Since Android relies heavily on the internet, Sprint probably thought it would be better to have it "always on".
With it off, my wife still gets GMail alerts, and facebook still updates every hour, the weather channel app and sense weather widget still update as well.
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