Just a shortcut to the RadioInfo from com.android.settings.Switching between:WCDMA preferredGSM only and WCDMA onlyEspecially if you want to use "WCDMA only", this setting is very usefull.ATTENTION: You can also change other things with this shortcut: USE IT AT YOUR OWN RISK!!!!Network ist now Open-Source:https://github.com/scheich/Network