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One factor which is to be stated right here is that it is going to work with iPhone 3GS&#one hundred sixty;&#a hundred and sixty;provided that it has the older bootrom (non-MC variation). iPhone 3GS customers who’ve upgraded to the inventory three.1.three are nonetheless out of success.
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Observe the straightforward step-by-step information beneath to&#a hundred and sixty;jailbreak&#a hundred and sixty;your iPhone 2G, 3G and iPhone 3GS (outdated bootrom most effective) on iPhone firmware three.1.three the use of Sn0wbreeze. This model of Sn0wbreeze is for iPhones best. iPod contact 1G/2G (older non-MC fashions) can use&#one hundred sixty;redsn0w&#a hundred and sixty;to jailbreak on three.1.three firmware. iPod contact 3G is presently no longer supported. Publications for jailbreaking iPod contact 1G/2G (older non-MC fashions) may also be&#a hundred and sixty;discovered right here
Step 1:&#one hundred sixty;Obtain and set up the most recent model of&#one hundred sixty;iTunes.
Step 2: Now start iTunes and sync your iPhone with your PC so that it backs-up all your important data including settings, apps, music, contacts and photos.
Step 3: Download Sn0wbreeze and the original iPhone OS 3.1.3 for your version of iPhone (download links given below). Move all these files to your desktop.
Step 4: Start Sn0wbreeze and select “Simple Mode”.
Step 5: Sn0wbreeze will now ask you to browse for your .ipsw file. Select the correct 3.1.3 firmware .ipsw file by clicking the “Browse” button. Sn0wbreeze will verify the selected file and then will present you
with following screen.
Step 6: Click on "Yes" when Sn0wbreeze asks you “Do you want to activate your iPhone?” for hacktivation. Click on “No” only if you are on an officially supported carrier like AT&T.
Step 7: Sn0wbreeze will now create the custom .ipsw fil
e for your iPhone which will be jailbroken.
Step 8: Now you will have to restore your iPhone to this custom firmware 3.1.3 that you just cooked using Sn0wbreeze for your iPhone. Click on your phone from the sidebar in iTunes and then press and hold left “Shift” button on the keyboard and then click on “Restore” (Not “Update” or “Check for Update”) button in the iTunes and then release the “Shift” button.
This will make iTunes prompt you to select the location for your downloaded custom firmware 3.1.2. Select that custom .ipsw file and click on “Open”.
Step 9: Now sit back and enjoy as iTunes does the rest for you. This will involve a series of automated steps. Be patient at this stage and don’t do anything silly. Just wait while iTunes installs the new firmware 3.1.2 on your iPhone. Your iPhone screen at this point will be showing a progress bar indicating installation progress. After the installation is done, iPhon
e will restart automatically and you should now have a fully jailbroken iPhone running on firmware 3.1.2.
How to: Unlock iPhone 3G/3GS on 3.1.3:
You can now follow the tutorial/guide posted here or here to unlock your iPhone 3G and 3GS (old bootrom only) on firmware 3.1.3 using ultrasn0w or blacksn0w respectively.
Step 10: Once you are done with the unlocking and jailbreak process. You can now restore all your settings, apps, music, contacts and photos to the newly installed firmware version 3.1.3 by restoring the backup that you made in Step 2 from iTunes.
Feel free to ask me any question here should you run into any problem during the jailbreak process.
Note for iPhone 3G and 3GS Users (New Bootroms): We strongly suggest tha
t you stay away from this official upgrade until and unless the DevTeam or George Hotz releases new jailbreaking and unlocking tools for 3.1.3 firmware. We will let you know when it will happen. In the meantime you can follow our complete jailbreaking and unlocking guide for iPhone 3.1.2 firmware using blackra1n, PwnageTool, redsn0w, sn0wbreeze, ultrasn0w and blacksn0w.
Disclaimer: This guide is for testing & educational purposes only. Follow it on your own risk. I’m not responsible for any loss of important data or malfunctioning of your iPhone.
Download iTunes 9.0.3 for Windows and Mac
0;the Original iPhone OS 3.1.3 firmware for iPhone
Download .NET Framework 3.5 (required to run Sn0wbreeze)
Download sn0wbreeze 3.1.3 for Windows [Fast Mirror link]
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