iPhone Dev team had renamed yellowsn0w which was earlier used to unlock iPhone 3G with old firmware models . Yellowsn0w is now known as Ultrasn0w for all iPhone 3G and iPhone 2G models with iPhone OS 3.0 . Before unlocking iPhone OS 3.0 with Ultrasn0w 0.6 ,we need to jailbreak the phone with PwnageTool or Redsn0w . Redsn0w 0.7.2 can be used in Windows and PwnageTool 3.0 can be used in Mac to jailbreak iPhone OS 3G with OS 3.0 . After jailbreak we can Unlock iPhone 3G with OS 3.0 using Ultrasn0w .
Jailbreak iPhone 3G with OS 3.0 using Redsn0w 0.7.2 :
Redsn0w 0.7.2 is a multi-platform tool for jailbraking iPhone and iPod with OS 3.0 and to add Cydia installer to work on non app store supported applications . Redsn0w 0.7.2 has a very easy to understand UI than earlier versions .
Download Redsn0w 0.7.2(Windows) .
Download Redsn0w 0.7.2 (Mac)
Download OS 3.0 for iPhone 3G and iPod and copy it to the unzipped Redsn0w 0.7.2 folder .
Connect iPhone 3G ,iPhone 2G ,iPod 1G or iPod 2G to iTunes 8.2 .
Now restore the corresponding ipsw by selecting the folder location . Here on restore operation ,hold shift if you are using Windows or in Mac use option .
Now run Redsn0w 0.7.2 >select the ipsw file from copied folder and click next . Opt to install Cydia and continue .Operation will continue in a flow and click on next at suitable events . After finish restart your iPhone 3G or iPod touch with OS 3.0 .
Unlock iPhone 3G with OS 3.0 using Ultrasn0w .
After jailbreaking OS 3,0 with ,Redsn0w 0.7.2 we can unlock iPhone 3G and iPhone 2G with Ultrasn0w .
Make sure to jailbreak iPhone OS 3.0 with Redsn0w 0.7.2 . Select Cydia installer if you have already jailbreaked your iPhone . First select packages from two options in Cydia , select to edit and enter repo666.ultrasn0w.com as source URL and download Ultrasn0w .
Now return to Cydia sources and select to install Ultrasn0w from the list. Follow Cydia instructions carefully and continue to unlock iPhone with OS 3.0 .
After installation , press home button and tun off iPhone 3G .
Now insert your alternate carrier SIM card and restart phone .
Note : This is only a news regarding iPhone Dev-Team and their application to unlock iPhone with OS 3.0 . iPhone and iPod are registered trade marks of Apple Inc . ,and users generally will have to follow their service agreements while using them . We do not recommend to unlock iPhone 3G and use it with another carrier . Results cannot be guarantied on trying the above tutorial and we are not responsible for any hardware and software damages thereof . So we strongly advice you to keep iPhone 3G with existing carrier and enjoy all cool benefits rather trying to unlock it and end up in trouble .
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