US Patent No. 10,560,884

METHODS AND SYSTEMS FOR SELECTING SIM CARD


Patent No. 10,560,884
Issue Date February 11, 2020
Title Methods And Systems For Selecting Sim Card
Inventorship Kit Wai Chau, Hong Kong (HK)
Ho Ming Chan, Hong Kong (HK)
Man Kit Kwan, Hong Kong (HK)
Assignee Pismo Labs Technology Limited, Kowloon (HK)

Claim of US Patent No. 10,560,884

1. A method for selecting at least two SIM cards at a wireless communication device, wherein the wireless communication device is configured to house a plurality of SIM cards, the method comprising:using the at least two SIM cards simultaneously to establish a plurality of connections;
determining whether a switching condition is satisfied; and
when the switching condition is satisfied:
(a) selecting a substitute SIM card from the plurality of SIM cards based on at least one factor;
(b) disconnecting a corresponding connection established by one of the at least two SIM cards, wherein the corresponding connection is in the plurality of connections;
(c) determining whether the substitute SIM card is capable of transmitting and receiving data;
(d) using the substitute SIM card to establish a substitute connection after the substitute SIM card is determined to be capable of transmitting and receiving data;
(e) repeating steps (a) to (d) until (i) the switching condition is no longer satisfied or (ii) no SIM card is selected based on the at least one factor;
wherein the plurality of SIM cards is classified into a plurality of groups according to the at least one factor; and
wherein the at least two SIM cards are from two different groups in the plurality of groups.