| CPC H04M 1/72484 (2021.01) [H04M 1/72436 (2021.01); H04W 8/183 (2013.01)] | 20 Claims |

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1. An interface display method, comprising:
obtaining, by a call application, a first phone number of a peer end of a call;
successfully authenticating, by the call application, a first data source application, wherein successfully authenticating the first data source application comprises:
obtaining, by the call application, authentication information of the first data source application, wherein the authentication information comprises a packet name and a signature, and wherein the packet name is a unique identifier for identifying an electronic device, and the signature is a unique identifier for identifying an application developer;
searching, by the call application, for the packet name in a preset whitelist; and
based on the packet name being found in the preset whitelist, determining, by the call application, that a signature corresponding to the packet name in the preset whitelist is consistent with the signature in the authentication information;
after the first data source application is authenticated successfully, obtaining, by the call application from the first data source application, first user description information corresponding to the first phone number, wherein the first user description information is used to record information about a user corresponding to the first phone number; and
displaying, by the call application, the first user description information in a call-related interface of the first phone number.
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