Apple announced the change in name of Apple iPhone OS for iPhone, iPod Touch and iPad to iOS at WWDC in San Fransisco. The iOS 4.0 that was in test from the last weeks reached the final gold master release and now available for download at Apple website. The final build of iOS 4.0 will reach all iPhone, iPod touch users by 22 June. Coming to the features, iOS 4.0 adds most awaited multi-tasking feature on all supported devices. Unlike other mobile operating systems, the iOS device allows only certain necessary services to multi-task. Therefore all iOS 4.0 devices get better battery life and improvement in speed.
Apple iOS 4.0 jailbreak and unlock.
Apple will block some of the features of iOS 4.0 in iPhone 3G due to the shortage of memory and other requirements. However, it would be possible to unlock the full potential of iOS 4.0 if we could jailbreak iPhone 3G. Jailbreaking lets users to proceed with the device carrier unlock in iPhone 3G, 3G S and new iPhone 4. Jailbreaked iPhone 3G, iPhone 3G S and iPhone 4 users can install non-approved apps
in their phone.Various tools for unlocking and jailbreaking iOS 4.0 beta version have already appeared on the internet. Geohot and iPhone Dev team has also confirmed working tools to jailbreak iOS 4.0 on iPhone 3G S. We can expect a working final version of these tools after the official release of iOS 4.0 on June 22.
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