How do you unfreeze iPhone 3g?

Simply hold the home button and lock button together for about 5 to 10 seconds, then release. The iPhone has now turned off. Turn back on in the same manner as normally used.

Does the iPhone 4 have a bigger screen than the iPhone 3gs?

The screen size remains the same, the quality of the displayhowever couldn't be more different. Apple has developed something they call the Retina Display for theiPhone 4. Ba (MORE)

Does iPhone 4 have free internet?

Only if you consider wifi as free internet.. No, The iPhone 4 has to be bought with a contract from att or maybe Verizon sometime soon and requires a special data plan 15$ fo (MORE)

IPhone 4 screen scratch proof?

Yes, although it may appear scratched if you have a screen protector because what appears to be a scratch is actually a rip in your protector, and if you run your fingernail t (MORE)