Yes
You will need a 3.5mm Audio Earphone Headphone Microphone Adapter for Apple iPhone 3G to plug in your headphones.
yes apple iphone 3gs also do have the same 3.5mm MALE jack
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
the iphone 3gs replaced the iphone 3g.
Dose the iphone 3gs have a radio
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?