Apparatus and method for data backup of a mobile phone

The present invention aims to offer to download the data stored in the cellular phone, and provides a cellular phone for data backup device and a method that allows you to upload the data from the backup device to the mobile phone to the backup devices that are directly connected to the data port of the mobile phone is. This object, is provided with a slot terminal is inserted into the data port of a mobile phone outside the body, the interior of the body has A memory that stores data downloaded from the mobile phone; Upload and download key keypad consisting of keys; Ssipiyu that if there is an input of the download key to download the data from the mobile phone stored in the memory and, if there is a key input in the upload reads the data stored in the memory transmitted to the mobile phone; By being composed of a display for displaying the state data that is the upload and download can be achieved.