| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology by which a user needs not to newly enter information having been registered to an old mobile phone to a new mobile phone even in replacing the old phone with the new phone. SOLUTION: The mobile phone is provided with a slot section 5 that can read information recorded on a cartridge type semiconductor memory 7 and write information to the semiconductor memory 7, and the section memory can be attached to/detached from the slot section 5.
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