Can all the available features of MobileMe be used with unlocked iPhone 3GS?
follow the link below in related links
Can Iphone 4 be used with sprint unlocked?
Yes , I have i phone 4 and i have sprint i got it unlocked by best buy
Can an unlocked iPhone 4S be used with Sprint?
puppy, because a puppy lasts longer and It's way more fun!
If I get an unlocked iPhone, what will the features and monthly cost be?
Your question is very important for which I think you should go online and check this out: http://look4iphone.com/articlesEnjoy :)
Will any iPhone OS4 features be available on the 1st generation iPhone?
Nope. Only 3GS and iPod Touch 3rd gen. get all the features. iPhone 3G and iPod touch 2nd gen. get a lot, but not some, such as multitasking, because the hardware is not suited for the "massive" RAM