Yes
yes apple iphone 3gs also do have the same 3.5mm MALE jack
You will need a 3.5mm Audio Earphone Headphone Microphone Adapter for Apple iPhone 3G to plug in your headphones.
Yes it does.
No. The iPhone 3GS is sadly a GSM only phone, so it cannot function on Sprint (or Verizon's) bandwidths.
I tried it with my 3GS and it does work.
Probably not, they have different exterior shapes.
iPhone 3gs
iPhone 3GS
Dose the iphone 3gs have a radio
the iphone 3gs replaced the iphone 3g.
If you mean,' Do iPhone 3GS's have Verizonservice?'No, not anymore, as of 17/10/2011 you can only get the iPhone 3GS on AT&T!
no why do you think its called trading in?