| CPC H04W 12/06 (2013.01) [H04L 63/0853 (2013.01); H04L 63/0869 (2013.01); H04L 63/102 (2013.01); H04W 4/50 (2018.02); H04W 4/60 (2018.02); H04W 8/183 (2013.01); H04W 12/71 (2021.01); H04W 8/20 (2013.01)] | 20 Claims |

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1. A method, comprising:
receiving, by a first interface of a local profile assistant (LPA) of a terminal, a code from a user;
sending, by a second interface of the LPA, a first unlock message to an embedded universal integrated circuit card (eUICC) installed in the terminal, wherein the first unlock message carries identifier information of a profile in the eUICC installed in the terminal and verification information of the profile, and wherein the verification information of the profile comprises the code from the user;
receiving, by the eUICC installed in the terminal, the first unlock message from the second interface of the LPA;
performing, by the eUICC installed in the terminal, verification according to the verification information and locally stored verification information by matching the code from the user with the locally stored verification information, wherein the locally stored verification information is stored in the eUICC installed in the terminal;
unlocking the profile after the verification succeeds, wherein the profile comprises a policy rule, and wherein unlocking the profile comprises modifying a parameter of the policy rule after the verification succeeds; and
setting a provisioning profile (PP) to an enabled state after the profile is unlocked.
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