Patent ID: 11937080
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. A terminal, comprising:
a memory configured to store programming instructions; and
one or more processors coupled to the memory, wherein when executed by the one or more processors, the programming instructions cause the terminal to:
receive, every time a new authentication algorithm is generated by a remote server, a first message from the remote server, wherein the first message comprises network access application (NAA) authentication parameter update information, a first-integrated circuit card identifier (ICCID), and an authentication algorithm program;
update, in response to the first message, authentication information of a profile corresponding to the first ICCID based on the authentication algorithm program and the NAA authentication parameter update information;
detach from a network; and
re-attach to the network based on updated authentication information of the profile.