Originally Posted by timgrabowsky
I have a rooted Xperia M dual (C2005) with factory firmare (4.2.2). Installed Afwall+ and blocked all network activity except Firefox and K9mail.
But there is still network usage (Android OS).
Does somebody have an idea how can I block these types of data transfer?
Last time this kind of issue popped up from a few days ago, it was because of tethering. Do you tether? And sometimes the Android OS reads traffic from other apps and is included there. Like for instance, you use K-9. If you use it to access your Google account for mail, that could explain the data traffic there. I'm not an expert in these matters though, so might be a better answer out there.
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