About my keitai

I am using au's mobile phone now. I changed to smart phone recently. I bought a iphone 4s. I am not good at using computers, so I couldn't use it, so I didn't touch it. I did only tell and mail. Now, I was told by my friends about iphone so I really thanks to them. I can't use many functions, so I want to be good at using my iphone, so I want someone to help and teach how to use it. Please help me.

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