In a blog post today Nokia Siemens claims that Apple’s latest smart phone operating system supports a technology called Network Controlled Fast Dormancy. This new technology brings the iPhone and its’ network together to create the most ideal performance. This means the iPhone’s software can work with the cellular towers to find ones with the least amount of congestion. In the end this technology allows the iPhone to run more efficiently and last longer throughout the day.

Nokia Siemens’ networks are one of the first to support this technology and it is interesting to note that they made the discovery through their own in-house testing. This technology being in iOS 4.2 does not appear to be a result of a collaboration between Nokia Siemens and Apple. In terms of actual battery life stats on this new technology their tests in the Middle East showed a battery life increase from 6 to 11 hours on an unnamed smartphone.

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