| 摘要 |
A portable communications device, e.g., a cell phone with a simplified user interface and easy to use keys is described. The user interface supports book type and circular type applications. Book interface type applications are applications in which a user is stopped from moving beyond the last page when a next page operation is selected. In circular applications a user is allowed to move from the last page of an application to the first page of the application by selecting a next page option. Regardless of the application type, in response to a displayed page a user, in some embodiments, is presented with at most 4 options. This allows navigation between applications, pages and selection of actions corresponding to pages to be supported using relatively few keys, e.g., 4 keys, thereby allowing the number of keys on the phone to be kept small and the key size large.
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