A configuration aggregation (CA)-based configuration method and related devices are provided, which are applicable to an electronic device. The method includes the following. Target information is determined, where the target information includes a mobile country code (MCC) and/or a mobile network code (MNC). A target set is determined according to the target information, where the target set includes multiple CA combinations supported by the electronic device. A target request is sent to an operator server, where the target request carries the target set, and the target request is used to instruct to select from the target set a CA combination for network configuration. A target CA combination is received, where the target CA combination is sent by the operator server in response to the target request. Network configuration is performed according to the target CA combination.