user 39 s keypad manipulation at steps s 52 to s 56 the controller 10 displays the data associated with the selected menu item on the display 14 the menu can list the items such as phonebook sms mp3 camera and data recovery memory among others the controller 10 allows the user to check the data associated with each menu item and select the data to be deleted at step s 57 as described above the memory 10 is provided with the data recovery region 38 and the data which is deleted intentionally or accidentally is stored in the data recovery region 38 so that the deleted data is presented while an associated menu item is selected the data recovery is initially selected among the menu items by the user 39 s keypad manipulation at step s 56 in order to activate the data recovery application when the data recovery item is selected a data recovery submenu is presented see fig4 a the data recovery submenu includes three submenu items 1 settings 2 recovery list and 3 initialization referring to fig4 b the submenu item u2018 1 settings u2019 is provided with three options entitled u2018 recovery time u2019 u2018 recovery volume u2019 and u2018 recovery data selection u2019 each option of the settings item comprises s sub options that is the recovery time option includes sub options of u2018 daily u2019 u2018 weekly u2019 u2018 monthly u2019 and u2018 data input u2019 such that the user can select one of the options one step at a time the recovery volume option includes sub options of u2018 recovery volume settings u2019 and u2018 memory usage information u2019.