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:
Jun. 09, 2020
Filed:
Sep. 11, 2018
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Beijing Xiaomi Mobile Software Co., Ltd., Beijing, CN;
Abstract
An information writing method and device, the method including: acquiring code information of a Subscriber Identification Module (SIM) card, the code information being verification information used by the SIM card to access a communication network; sending the acquired code information to a Card Operating System (COS) of the SIM card via an existing interface in an operating system, the existing interface being a communication interface programmed for transmitting first information between the operating system and the COS, the first information being different from the code information; and writing, through the COS, the acquired code information into the SIM card.