couple questions on sbsettings

first think ram info , freeing memory/ram legit , accurate?

there problems/glitches sbs on ios 5.01/4s? curious if it's me needs learn little more (adding apps/settings buttons) or program glitchy


in order bring sbs dock additional things want add don't want displayed?



edit: can seem add 3g button, made me wonder difference between data , 3g button. if turn off 3g can still access internet right? slower? , data eliminate internet including or not including wifi.....and neither effect calling or sms right?

 

i believe, not certain, disabling 3g forces 2g calling edge data.

 

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