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How do I connect Internet from a laptop using USB modem to a Galaxy S3, or directly USB modem(data card) to S3 for internet connection?

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Can you rephrase your question to be more specific what you need to accomplish? Maybe give your use case too. I don't understand the question in the current form. – ce4 Oct 31 '12 at 8:19

Best guess at real intent of question:

For my Samsung Galaxy S III (WiFi), how should I best connect to the Internet?

Should I try to get my laptop (with USB modem) to be a WiFi 'hot spot', OR try connecting the USB modem directly to the Galaxy S III smartphone?

Answer 1: (based on your two options)

Your best approach would be to setup the Laptop as a WiFi hot-spot. It is already working, and you will still be able to use the laptop at the same time. This will require some knowledge of how to do this (for Windows or Linux ?) on your laptop.

To connect the Galaxy S III directly would also require an additional OTG USB cable, and would be a higher drain on the S III's battery.

Answer 2: (looking at other solutions)

A portable WiFi router, either 3G or 4G, would more easily provide Internet access for both the Laptop and Galaxy S III. It is much simpler to setup, and some models would even support using the USB modem you already have. It also has its own battery, for longer Internet time between charging.

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