As hard to believe as it is, iOS 4 and all further iOS updates are now absolutely free on all devices.
iPhone OS. No seriously it's actually called iPhone OS.
OS=Operating Systemyou are basicly saying that how much is iPhone 'operating sytem' 4 which is well free you can download the OS update free from itunes however if you was meant to say how much is iPhone 4 well I'll say iPhone 16gb between £400-£500 but it depends what shop it is
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 iPhone OS 4.0 will be available to iPhone and iPod Touch owners for download through iTunes during the summer of 2010.
Yes.
not sure try it
Chromium OS is free and open source! That does not mean, however, that Chromebooks are free.
that is the sad part about iPhones. you still have to pay full price for the phone even if you have an upgrade or not. here , iPhone3G is 99$ plus tax or tariff. and iPhone 3Gs is 199$ plus tax or tariff. (i would reccommend getting an otterbox for a phone like that , they are the best way to protect your phone and even keep it from getting wet. (: hope i helped,
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
$19.95