It was bugging me that my phone eats out my allowance all the time using data connection.
It did that even when I disabled applications background data transfer.
I was looking for a feature allowing to disable 3G and 2G data connections allowing WiFi only.
When I was buying the phone I thought there is a setting allowing to do that.
Unfortunately, there is not (or at least I could not find any).
However, there is a workaround using a hidden menu at least in Android 2.1 Continue reading