10. The method of claim 1 further comprising: presenting a user interface comprising a first activatable user interface element representing call initiation for a first subscriber identity module card and a second activatable user interface element representing call initiation for a second subscriber identity module card; receiving an activation of one of the first user interface element or second user interface element, thereby indicating a selected subscriber identity module card; and presenting the first user interface implementing the subscriber-identity-module-separated user interface paradigm for the selected subscriber identity module card.
1. A method implemented at least in part by a computing system, the method comprising: by the computing system: presenting a first user interface implementing a subscriber-identity-module-separated user interface paradigm; presenting a second user interface implementing a subscriber-identity-module-aggregated user interface paradigm; receiving user input via at least one of the user interfaces; and responsive to the user input, navigating to another user interface or performing one or more communications actions.