Only the original iPhone should even be capable of physically achieving running that iOS version. And even then, you are not allowed by Apple to downgrade a device which would mean using hacks.
iPhone OS. No seriously it's actually called iPhone OS.
No. If you want your Nokia to look like an iPhone, then that may be possible via various hacks, but there is no way to make the Nokia operate with Apple's iOS.
The OS 8 is for the iPhone 4. The iPhone 4 is a really popular phone.
The iPhone, along with the iPod Touch and iPad, run iOS, previously called iPhone OS.
The only way to do that is if you haven't emptied your trash on your computer since you last upgraded your software from 1.9.5, then it should be in there. There are also places on the internet where you can download it : )
The iPhone OS 4.0 will be available to iPhone and iPod Touch owners for download through iTunes during the summer of 2010.
iPhone OS version 4.0 is scheduled for final distribution via iTunes in June 2010 for iPod Touch and iPhone, and Fall 2010 for iPad. No final dates have been determined, so these estimates may change as the final release gets closer.
Yes.
not sure try it
iPhone apps work on iOS devices (iPhone, iPad or iPod Touch) they will not work on a Mac running Mac OS X 10.7 (Lion) or any other Mac OS X version
the new OS 4which got released recently this year
all the features that are mentioned is available with the iPhone 3gs