ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,921, issued on Oct. 14, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).

"Information sending method, base station switching method, information reception method and apparatus" was invented by Wei Hong (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an information sending method, including in response to determining that a second SIM card in a connected state satisfies a handover condition for handing over the second SIM card from a first base station to a second base station, sending context information of a first SIM card to the first base station through the second SIM card, wherein the fi...