Warning: your Android device may still be using WiFi when you have turned WiFi off

I just discovered a troubling privacy issue about Android that I thought I would share. I regularly turn off WiFi on my Samsung tablet to save battery and just because I don't want to be connected to the Internet all the time. Then yesterday I noticed a little message that told me that even though I'd turned WiFi off, some apps on my phone may still be connecting to WiFi networks in order to optimize location services. Clicking on this …

android android device device may privacy warning wifi