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22 Jul

How to connect iPhone’s 3G connection to your laptop and browse

Posted on 2008 under Software Fixes | No Comment

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This works on Jailbroken iPhone 3G. So if you don’t want to unlock your iPhone, please don’t try this. I got these instructions from Macrumors. It originally comes from the geeks at cre.ations.net. So here it goes:

Warning – Tethering your iPhone is against the iPhone data plan terms. AT&T could slap you with huge fees if you overuse this. I recommend only using it during emergencies.

• Step 1: Jailbreak your iPhone – Windows users click here for instructions and Mac users – click here
• Step 2: Install 3Proxy and Terminal
  During the jailbreak, Cydia should have appeared on one of your app pages. Use it and let Cydia load and self-update. Then head to Install, All Packages, then find MobileTerminal and 3Proxy (3Proxy is at the bottom). Install both and hit your Home button. Your phone will restart and you’ll see Terminal installed on your home screen. 3Proxy isn’t a GUI app and as such won’t have an icon.
• Step 3: Create an ad-hoc Wifi network using your laptop
  Using whatever wireless software suite you have, create an ad-hoc network. On a Mac it’s in the Airport menu, under “Create network…”. Name it something inconspicuous. I called mine “baladoux”.
  On your iPhone, join the ad-hoc network.
• Step 4: Find your iPhone’s IP address
  Then, hit the blue arrow next to it, and wait for your IP address to show up. Memorize (or write down) this IP address. You will need it later.
• Step 5: Open Terminal and run the proxy program
  Simple enough. Open Terminal, type “socks” and hit return. Nothing will appear to happen, but the SOCKS server will be running. You can hit the home button to push Terminal to the background (remember to terminate it later, by switching back to Terminal and holding the Home button until it closes).
• Step 6: Open Safari on the iPhone and open a web page
  Any page will do. This step is important. The page will take a while to load. When Safari realizes it can’t get to the Internet using the ad-hoc Wifi, it will do some internal magic to switch back to 3G for Internet while still on your ad-hoc network. That lets the proxy do its thing.
• Step 7: Configure your browser
• In Firefox, head to Preferences, and under Advanced, Network, hit Settings. Then, fill in the iPhone’s IP address (which you memorized earlier) into the SOCKS Host field, and put 1080 as the port number. Make sure all other proxy fields are blank and/or 0. Then, since the proxy doesn’t forward DNS, you will also have to change an advanced option in Firefox. In the Firefox URL bar, enter “about:config” and hit Enter.
  In Filter, type “socks” and then double-click “network.proxy.socks_remote_dns” to make its value “true”.
  That should be all you need! Firefox should be able to browse the Internet through your iPhone’s 3G connection.

[For complete coverage on Tethering your iPhone3G and visual steps - go to cre.ations.net]

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