Patent ID: 8897774

Claim:
A method of frequency band scanning of multiple supported bands to obtain service for a mobile device, the supported band including first bands from a first network frequency plan and second bands from a second network frequency plan, the first bands being different from the second bands, the method comprising: scanning, from the mobile device, to identify which of the first bands and second bands are active, wherein a band is active if the mobile device could obtain wireless services on that band; establishing a connection on one of the bands identified as being active; storing, in memory on the mobile device, a list of the bands identified as being active during the scanning, including the one band on which the connection was established and a band on which the mobile device did not obtain wireless services; in response to a loss of coverage on the one band, selecting another band from the list of bands, irrespective of the frequency plan to which said another band belongs; and scanning the selected band, and wherein the one band is a member of said first network frequency plan and wherein the selected band is a member of said second network frequency plan, and wherein said list excludes another band within said first network frequency plan.