Method and system for controlling uicc and euicc

An electronic device is disclosed. The electronic device may comprise: a UICC with a first profile installed therein; eUICC; and a processor which is electrically connected to the UICC and the eUICC. The processor may request a second profile to be installed in the eUICC from a first server on the basis of the first profile, receive the second profile from a second server associated with the first server, and install the received second profile in the eUICC. The second profile comprises the same subscriber identification information as the first profile.