The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 15, 2025
Filed:
Nov. 28, 2019
Apple Inc., Cupertino, CA (US);
Huarui Liang, Beijing, CN;
Dawei Zhang, Saratoga, CA (US);
Fangli Xu, Beijing, CN;
Haijing Hu, Los Gatos, CA (US);
Hao Duo, Beijing, CN;
Longda Xing, San Jose, CA (US);
Murtaza A. Shikari, Mountain View, CA (US);
Sethuraman Gurumoorthy, San Ramon, CA (US);
Shu Guo, Beijing, CN;
Sree Ram Kodali, San Jose, CA (US);
Srinivasan Nimmala, San Jose, CA (US);
Srirang A. Lovlekar, Fremont, CA (US);
Yuqin Chen, Beijing, CN;
Apple Inc., Cupertino, CA (US);
Abstract
A user equipment (UE) includes a first subscriber identification module (SIM) and a second SIM. The UE is configured to establish a first cellular network connection based on, at least, the first SIM and a second cellular network connection based on, at least, the second SIM. The UE sends, by the first SIM, a first registration request to the network, wherein the first registration request comprises an identification indicating the multi-SIM device is a type of multi-SIM device, receives, by the first SIM, a first registration accept message indicating the first registration request has been accepted, wherein the first registration accept message comprises a first temporary identification for the first SIM and sends, by the second SIM, an access network message comprising one of the first temporary identification or a further temporary identification based on, at least, the first temporary identification.