Originally Posted by
Frizzoo
When you are on a WiFi network all the applications that needs internet use WiFi, but if you are not in a place where there is a WiFi network then all the data is from Edge/3G. Mono bluetooth is where the sound is in mono (one speaker) and stereo is 2 speakers and the iPhone only supports mono.
I am not from the UK but you need a iTunes account to download programs to it, wich requires a creditcard number.
I have not jailbreaked mine, but if you do then you have to wait a few days to install the new updates :) And yes i would recommend it, and the App Store is amazing there is tons of fun and useful apps :D