Much of the growth can be credited to Nextel's push-to-talk service, the walkie-talkie-like function that allows users to page and call friends instantly with a single button.
Thefunction strip is again removable, with another four macro keys tocall its own, while the numpad can join you either on the left or right side of the main board.
To request access to contact data, call theABAddressBookRequestAccessWithCompletion function after calling the ABAddressBookCreateWithOptions function.
Users can easily call up or switch between functions assigned tothe Fn (Function) button and control ring and change setting values as needed, allowing them to quickly set up their preferred style.