nope, it doesn't have a button.
seriously man, I've been busting my balls since yesterday.

same thing goes for 2g/3g selection (no added apps/applets. i know there are applets for making this easy)


it was a well hidden option inside the dialer! Not even in settings.
Anyways, thanks for all the replies! It's my first "alternatives" topic here on TMO.

Great device the Pre 3 is. WebOS reminds a lot of Harmattan (or vice versa tbh)
great OS but somewhat tricky.. even for the simplest things.

thanks for all the help and sorry for my mediocre english.