ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,808, issued on Sept. 30, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).

"Request information sending method and device, and request information receiving method and device" was invented by Wei Hong (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for sending request information, including: determining that the first SIM card is in a connected state with a first base station and the second SIM card needs to communicate, sending, to the first base station, request information for entering a non-connected state from the connected state via the first SIM card."

The patent was filed on Jan. 22, 2021, under Applicatio...