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Cant figure this out (Airplane mode)...
So, at work, I get very dismal Sprint service. We're talking -110dbm, on average. Naturally, this was causing severe battery drain, resulting in about 40% battery remaining when I left work (from 7:00am - 3:30pm).
So, in an effort to save battery life, I have started to use Airplane Mode and have google voice forward my calls to my work desk so I am sure I am not missing any calls.
Well, where it gets wierd is that my phone will be at 90% when it goes in airplane mode (right when I get to work) and then stay on airplane mode all the way to lunch (turn it on during lunch) and then back on to airplane mode until I leave work. Now, when it's on during lunch, I make maybe one or two calls and some light web browsing.
What I cant figure out when I turn my phone back on from Airplane Mode when I leave work, my phone battery is at 15% and gives me the low battery warning. My time without service is around 98% (why, I don't know...) I don't use my phone at all (I understand that I could just as easily turn my phone off, but, airplane mode is convenient for me because there are times when in a meeting or so when I want to get some internet connection) when it is in airplane mode...
Does this make sense to you? Why would airplane mode drain more life than leaving my phone connected to the network. I have confirmed this was not a one time issue because it has happened every day for the past four days.