| 摘要 |
In one illustrative example, a mobile device includes one or more processors, memory coupled to the one or more processors, a wireless transceiver coupled to the one or more processors, and a user interface which includes a visual display and a plurality of keys. The one or more processors are operative to identify whether a radio frequency (RF) out-of-coverage condition exists between the mobile device and a wireless communication network within a predetermined time period from a date and time of an appointment associated with a calendar application of the mobile device. In response to identifying such condition, the one or more is processors cause an RF out-of-coverage warning indication to be produced at the user interface in association with the appointment. Otherwise, the one or more processors refrain from causing this RF out-of-coverage warning indication to be produced. The indication may be or include a message which instructs a user of the mobile device to relocate the mobile device for removing the out-of-coverage condition for the appointment. At the date and time of the appointment, the one or more processors also cause a calendar reminder indication for the appointment to be produced at the user interface, as a reminder of the appointment.
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