Steps on Unlock Jailbreak Apple Iphone 3G/S (Modem/Tethering) with blackra1n
Follow the steps below if you want to:
1. Unlock your iPhone so that you can use any SIM card from other GSM wireless providers.
2. Use your iPhone as internet modem to get online using your data plan.
milly 9:54 am on January 18, 2010
Note1: You need to first jailbreak your iPhone if you want to “unlock” or “tethering” your iPhone using blackra1n. To jailbreak, see the instruction here
Note2: This only works with iPhone 3G and iPhone 3GS running on iPhone 3.1.2 firmware with 05.11.07 baseband
To simply unlock iPhone:
1. After jailbreaking your iPhone with blackra1n, click on the blackra1n icon and install “Cydia” app store.
2. After installing Cydia, return back to blackra1n and click on “sn0w”. This will automatically unlock your phone, and you should be done.
3. If you have previously jailbreak your iPhone, you will see “ra1n” option in blackra1n. Click on it which will upgrade your blackra1n to the latest version. After restarting go back to blackra1n and click on “sn0w” to unlock the phone.
To tether your iPhone (use as modem):
1. Follow the unlock steps above to first unlocking your iPhone.
2. From your iPhone’s browser, (Safari), visit this URL: http://help.benm.at/tethering.php
3. Select your country and the wireless provider.
4. Tap Install to install new profile.
5. Select Install Now to download and install new profile.
6. Now, go to Settings -> General -> Network -> Internet Tethering.
7. Set Internet Tethering to On
8. You should be able to use your iPhone as modem now. I recommend using USB instead of bluetooth to avoid the hassle.