ALEXANDRIA, Va., June 9 -- United States Patent no. 12,652,636, issued on June 9, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).

"Network registration method and apparatus, and user equipment" was invented by Weiming Sheng (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A network registration method, a user equipment, and a non-transitory computer-readable storage medium are provided. The network registration method includes: when a registration message is failed to be sent through a first connection corresponding to a first network device, sending a first request message to a second network device. The first request message is used to request the second network device ...