Apple ipod

If you jailbreak my iPhone, I will be able to download future updates of iTunes?

I'm considering jailbreaking or unlocking my iPhone 2G. I have 2 questions. If I get it unlocked, I will be able to use T-Mobile Edge cellular network if I go to T-Mobile? Secondly, I will be able to download future software updates iPhone (eg 4.0) of iTunes? Thank you in advance. Thanks for the quick response, you can use T-Mobile Edge?

Yes … I have an iPhone 2G and thus went to T-Mobile and mine also works very well.

How to install Installous and Jailbreak iphone 4.0