The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data transmission rate. An operation method of an access and mobility management function (AMF) in a communication network is provided. The method includes receiving, from a base station, a registration request message including information requesting remote provisioning of a user equipment (UE), storing the registration request message, transmitting a registration message including the information requesting remote provisioning of the UE to a unified data management (UDM), based on the registration request message, receiving a response message relating to the registration message from the UDM, and transmitting, to the base station, a registration acceptance message indicating approval of the remote provisioning of the UE, based on the response message.