how can i found how many gs im using?[on my cellphone]?

I have[t-mobile[ nokia lumia 710 and i want found out how many g im using is there a way to find out
is there an app for that? or setting?

Yvonne2015-03-06T21:27:47Z

What do you mean how many Gs ? Do you mean how many GBs you're using on your phone and how much is free ? You can check the phone memory and memory card space here : Settings > Phone Storage. If you want to check what's taking up space on your phone : Settings > Storage Check.

Argus Tuft2015-03-06T21:54:31Z

Watching porn uses a lot.