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I'm confused about data usage / hotspot while connected to WiFi.

I'm asking because my Windows 8 laptop cannot recognize my friend's router, as in it can't even find it, however, my iPhone 4 can. I have connected using my iPhone 4 and turned on the "Personal Hotspot" feature.

Does this use my Data Allowance from Telstra, or will all internet/network traffic flow through to the router?

If the above answer is yes, what if I took out my SIM Card? Would it not work at all, or flow through to the router?

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  • By the way, you're not solving the problem by using Personal Hotspot, so you might want to fix the cause of the problem instead?
    – Rob
    Commented Feb 17, 2014 at 7:21
  • I understand I'm not solving the problem, but atleast I'm bypassing it right? Like stepping over a puddle to not get you shoes wet instead of wearing gum boots. But thank you very much, Robuust! :) You should answer so I can tick it! PS. Mention in your answer that turning off Cell Data or turning on Flight Mode disrupts Personal Hotspot.
    – TheBrenny
    Commented Feb 17, 2014 at 7:31

3 Answers 3

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You cannot use your Wi-Fi connection for Internet connectivity while other devices are using Wi-Fi for Personal Hotspot. You can share only a cellular data connection; you cannot share a Wi-Fi connection.

As seen here: http://support.apple.com/kb/ht4517

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Yes it does use your data. Even though it says you're connected to wifi the hot spot overrides it & uses your cellular data. I finally figured this out after months of questioning my cellular company as to how it was possible I could use that much data. My son puts it on in the car for his iPad & then when we get out & go inside our home my phone connects to wifi but his iPad still leeches my hot spot from my phone. Of course Rogers couldn't figure that out or at least they didn't want to tell me. It was only after going 4GB over my 10Gb plan & having them cut my data off completely that I was able to figure out what was going on & then called them to confirm. An expensive lesson to learn.

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If your device are jailbreak ... Then u can do this job. You can mywi 7 on cydia. And you can creat wifi hotspot,blutooth tether and usb tether while you cannected wifi .

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