One of the world's top suppliers of cellular infrastructure, Nokia Siemens, has dropped some juicy knowledge today that Apple's new iOS 4.2 update supports a technology called network-controlled fast dormancy that better optimizes how the phone connects to the network. The company touts that it's a win-win -- better battery life, less unnecessary network utilization -- and also points out that Nokia implemented the technique in all of its smartphones starting earlier this year. Since network-controlled fast dormancy is a feature that benefits the network itself as much as it benefits the i
