Use to Jailbreak iPhone 3g with itunes, simply use ireb for 3g iphone then shift restore with itunes. iPhone 3g Jailbreak sn0wbreeze 3G-4.2.1.....
1. Download a newer IOS version for your Iphone. If you do not have the newest version of ITunes, then download it as well. Also, remember to download a jailbreaking software that it reputed to be efficient and effective...
2. Update and upgrade your Iphone with the newer IOS that you downloaded...
3. After updating your device, download a firmware file from Apple. If you do not know how to, search Google for an Apple IPSW file which will be compatible with your Iphone IOS...
4. Store the IPSW file to a known location which you can easily access. You will be accessing this file again later on....
5. Connect your ITunes to your device. Through this, your device will be detected. If an option pops up asking you to update, ignore it....
6. Instead, choose the Restore option. However, take note to do hold the Shift button while clicking the Restore button. This will activate the IPSW file that you downloaded earlier.....
7. Wait as ITunes configures the changes that you made the options that you chose..
8. Run the jailbreaking software that you downloaded. Afterwards, run the IPSW file as well. Hit Next.....
9. Install the Cydia program and enable multi-tasking by putting a check on their option boxes....
10. Turn your Iphone off and connect it to your PC. After this, put your Iphone into DFU mode....
Source URL: https://k12-information.blogspot.com/2011/08/iphone-3g-jailbreak-sn0wbreeze-3g-421.html2. Update and upgrade your Iphone with the newer IOS that you downloaded...
3. After updating your device, download a firmware file from Apple. If you do not know how to, search Google for an Apple IPSW file which will be compatible with your Iphone IOS...
4. Store the IPSW file to a known location which you can easily access. You will be accessing this file again later on....
6. Instead, choose the Restore option. However, take note to do hold the Shift button while clicking the Restore button. This will activate the IPSW file that you downloaded earlier.....
7. Wait as ITunes configures the changes that you made the options that you chose..
8. Run the jailbreaking software that you downloaded. Afterwards, run the IPSW file as well. Hit Next.....
9. Install the Cydia program and enable multi-tasking by putting a check on their option boxes....
10. Turn your Iphone off and connect it to your PC. After this, put your Iphone into DFU mode....
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