| 摘要 |
PURPOSE: A method for expanding a memory of a cellular phone having an MP3 function and a recording function is provided to easily install a specific memory to the cellular phone, so as to download much music than before to store the music. CONSTITUTION: A specific memory(3) which is attachable/detachable is installed to a cover(2) inside of a flip-type cellular phone(1) by using a click hook. The specific memory(3) is installed to a upper part or a lower part, or a side part of the cellular phone(1) battery by using the click hook, and downloads MP3 music to store the MP3 music.
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