An electronic device includes a communication module configured to communicate with an external device having a battery capacity greater than a battery capacity of the electronic device, a display, and at least one processor. The processor is configured to control the communication module to transmit a communication start request to the external device, and in a case where the electronic device receives notification information from the external device, change an operation mode of the electronic device from a first mode to a second mode. The display performs displaying a normal operation of the electronic device in the first mode, and the display performs displaying based on the notification information in the second mode.