An electronic device including a first memory configured to store authorization information; a first processor configured to access the first memory; a second memory; and a second processor configured to access the second memory. The first processor is configured to check state information related to a battery state of the electronic device while the electronic device is in a first state; if the state information satisfies a first specified condition, provide authorization information to an external device in the first state so that the external device performs authorization using the authorization information; and if the state information satisfies a second specified condition, copy the authorization information into the second memory in the first state and convert the electronic device to a second state in which power consumption thereof is less than that in the first state. The second processor is configured to provide the authorization information to the external device in the second state so that the external device performs authorization using the authorization information.