An operating method of a terminal, in which a smart secure platform (SSP) is embedded, in a wireless communication system, includes obtaining an activation code, detecting an SSP activation code delimiter in the activation code, detecting an SSP activation code in the activation code by using the SSP activation code delimiter, and downloading at least one of a bundle or an applet by using the SSP activation code, wherein the SSP activation code delimiter is used to separate the SSP activation code from an embedded subscriber identity module (eSIM) activation code.