US 12,375,897 B2
Management of default data subscription (DDS) in multi-subscriber identity module devices
Can Zhao, San Diego, CA (US); Suli Zhao, San Diego, CA (US); Xinchen Zhang, San Diego, CA (US); Reza Shahidi, La Jolla, CA (US); Arnaud Meylan, San Diego, CA (US); Liping Shen, San Diego, CA (US); Ajith Tom Payyappilly, San Diego, CA (US); Juan Zhang, San Diego, CA (US); and Tom Chin, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Jan. 17, 2024, as Appl. No. 18/414,995.
Application 18/414,995 is a division of application No. 17/447,035, filed on Sep. 7, 2021, granted, now 11,910,479.
Prior Publication US 2024/0155326 A1, May 9, 2024
Int. Cl. H04W 8/18 (2009.01); H04M 1/72448 (2021.01)
CPC H04W 8/18 (2013.01) [H04M 1/72448 (2021.01)] 16 Claims
OG exemplary drawing
 
1. A method of wireless communication performed by a user equipment (UE), the method comprising:
operating in a Dual SIM Dual Active (DSDA) mode or a Dual SIM Dual Standby (DSDS) mode in which a first subscriber identity module (SIM) is designated as a default data subscription (DDS);
informing a user of a recommendation to change the DDS from the first SIM to a second SIM at a modem;
changing the DDS in response to, at least in part, the recommendation and an input from the user, wherein changing the DDS comprises designating the second SIM as a temporary DDS or a permanent DDS;
updating a first state variable to indicate a state of the DDS; and
routing internet data to the second SIM.