if i use iphone 3gs correct to notebook

if i use iphone 3gs + usb cable correct to notebook online , need to pay additional fee ?

i use 3

I think you are talking "connect" to notebook. No extra charge for tethering

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For safe, check your service provide.

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If you mean "internet tethering", then no, no extra charge

如果你係指用 iPhone 當 modem 比 notebook 上網, 咁係唔使收額外費用,
只會計落你個 plan 既 data 流量度

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