An electronic device capable of displaying correct characters in place of garbled characters includes a storage unit, a control unit, and a display unit. The storage unit stores a number of garbled characters and identifiable characters associated with the garbled characters, and the identifiable characters are translated from original characters corresponding to the garbled characters. The control unit obtains any garbled character displayed on the display unit, determines whether the obtained garbled character matches a garbled character stored in the storage unit, if so, then the control unit controls the display unit to display an identifiable character in place of the garbled character.