Electronic device and display method thereof

An electronic device comprising:

• a display;
• and
• a processor for controlling the electronic device to operate in one of a wallpaper mode and a content mode,
• wherein the processor is configured to:
• based on a first user command being input while the display operates in the content mode for reproducing a broadcast content, control the display to change the broadcast content to a first user interface (UI) for entering the wallpaper mode and display the first UI for entering the wallpaper mode, the first user command being a command to turn off a power of the electronic device, control the electronic device to operate in the wallpaper mode based on a third user command being input within a predetermined time while the first UI is displayed, and in the absence of the third user command being input within the predetermined time, turn off the electronic device, and
• based on a second user command being input while the display operates in the content mode, control the display to change the broadcast content to a preset wallpaper and display the preset wallpaper,
• wherein the second user command is input by a wallpaper button of a remote control device.