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Contents 
 
I.  Safety precautions……………………………………………………………………….........3 
II.   Cell phone outline…………………………………………………………………………….5 
III.  Operation of menu functions………………………………………………………………...6 
IV.   Application of USB storage function………………………………………………………..9 
V.  Troubleshooting……………………………………………………………………………..10 
VI   Device specifications ………………………………………………………………………..12