Sorry i don't think that's possible =(
iPhone 3G S = iPhone 3G + Extra's
The iphone 3g is the third generation iphone , is that what you are asking
Apple invented the iPhone 3G.
Both the iPhone 3G and the iPhone 3G S support MMS with the 3.0 update.
You can not downgrade any app. You can update, but not downgrade. There is nothing that you can do. Sorry.
iPhone 3g is capable of 3g access, but not iPhone 1st generation. However, some areas do not have 3g coverage, so iPhone will automatically switch to EDGE. iPhone 1st generation only has EDGE and Wifi, and iPhone 3g has EDGE, 3g, and WIFI.
One way to downgrade an iPhone 4 is to go into settings on the phone and reset it to factory settings.
I have never heard any way to downgrade software.
Definatly the IPHONE 3G!!!
No, the iPhone 3G does not have a front camera.
2g is 2nd generation 3g is 3rd generation. 3g is much faster. iPhone 3G can support WCDMA and HSDPA frequencies, but the iPhone can't.
The iPhone 2G is much slower than the iPhone 3G.