An electronic device according to various embodiments of the present invention comprises a display, a memory, and a processor operatively connected to the display and the memory, wherein the processor may be configured to: display, on the display, the state of a storage resource of a first partition included in the memory, in a state in which first booting has been completed; in response to a first command for acquiring the storage resource of the first partition, perform second booting of the electronic device, different from the first booting; delete designated data from data stored in the storage resource of the first partition so as to acquire the storage resource during the performing of the second booting; and complete the second booting of the electronic device after the acquisition of the storage resource.