In addition to the functional changes like AirPlay and AirPrint that we already know about in iOS 4.2, there are also under-the-skin changes that impact the way iPhones interact with cellular networks. The results of tests run at Nokia Siemens' Smart Lab in Espoo, Finland indicate that Apple has implemented a new control strategy that complies with the 3rd Generation Partnership Project's (3GPP) Release 8 specifications. The new fast dormancy feature in iOS 4.2 is sa
