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Patent Searching and Data


Title:
INFORMATION WRITING METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/018636
Kind Code:
A1
Abstract:
The present invention relates to the technical field of communications, and provides an information writing method and device. The method comprises: obtaining code number information of a subscriber identification module (SIM) card, the code number information being verification information for the SIM card to access an operator network; sending the code number information to a card operating system (COS) of the SIM card via an original interface of an operating system, the original interface being a communication interface written for transmitting other information between the operating system and the COS; and writing the code number information to the SIM card via the COS. The present invention can achieve code number information transmission via an original interface, such that the implementation complexity of code number information transmission is reduced, the problem that code number information cannot be written to an SIM card when an operator limits a terminal in receiving OTA short massages is solved, and thus the effect of improving the success rate of code number information writing is reached.

Inventors:
WU XIAOJUN (CN)
JIN FENG (CN)
LIU GUILIN (CN)
Application Number:
PCT/CN2016/092429
Publication Date:
February 01, 2018
Filing Date:
July 29, 2016
Export Citation:
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Assignee:
BEIJING XIAOMI MOBILE SOFTWARE CO LTD (CN)
International Classes:
H04W8/24
Foreign References:
CN101568098A2009-10-28
CN101557585A2009-10-14
CN104796882A2015-07-22
US20080276090A12008-11-06
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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