Many users of the iPhone and iPad in countries where there is a weak covering 3G, complained about the lack of opportunity to turn off the unit third-generation networks. In iOS 8 is only available option to disable LTE.
In areas with poor 3G coverage switching to 2G can increase battery life. Many asked Apple to return the switch for third-generation networks in the new operating system, and in Cupertino seem to have heard of users.
In the first beta of iOS 8.1 added a section to select a preferred network connection. In the corresponding menu in the settings of the three options, with which you can adjust the work with wireless networks.
Settings cellular networks in iOS 8.0 (left) and in iOS 8.1 (right)
To configure the communication settings, just go to Settings -> Cellular -> Voice and data.Here you can put the switch in front of one of the proposed forms of communication - 2G, 3G or LTE.
The first beta version of iOS 8.1 came out September 30th. The debut of the final version of the operating system will be held simultaneously with the launch of the payment service Apple Pay. More information about this will be known on October 16 : On this day, Apple has scheduled a presentation of a new generation of iPad, iMac with Retina display and other new products.