How to Jailbreak iPhone & iPod Touch OS 3.1.2 with BlackRa1n on Mac OS

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Today Geohot released Blackra1n for Mac OS X after releasing Blakra1n Windows version few days back. Blackra1n can jailbreak iPhone OS 3.1.2 firmware (both for iPhone & iPod Touch). With Blackra1n you can also jailbreak iPod Touch 3 (ipt3), but the ipt3 is tethered (which implies that after jailbreaking iPhone OS 3.1.2 firmware make sure you do not allow your iPhone battery to discharge completely. If unintentionally, your iPhone battery gets discharged then you will need to reconnect it to the computer and use BlackRa1n to boot it again. It is important to note that blackra1n doesn’t hacktivate your iPhone which means that if you are not on an official Apple approved carrier BlackRa1n cannot activate it.

Warning – iPhone and iPod Touch users with unlocked iPhone 3G and iPhone 3GS, should not upgrade to iPhone OS 3.1.2 using iTunes as they will lose unlock because baseband cannot be downgraded. Instead use Pwnagetool 3.1.4 if you care for unlock without updating baseband.

Below is a step by step guide on how to jailbreak iPhone OS 3.1.2 firmware using blackra1n on Mac version. If you are a Windows user then follow our previous guide on how to jailbreak iPhone OS 3.1.2 firmware using blackra1n.

 

Step 1- Connect your iPhone or iPod to the computer.

Step 2- Download blackra1n for Mac OS X on your computer desktop.

Step 3- Extract the blackra1n zip file and double click the blackra1n icon to launch the program.

Step 4- A pop-up window will appear with make it ra1n button. Click on ‘make it ra1n’ button.

Step 5- You iPhone will enter in recovery mode and your iPhone or iPod Touch will reboot. After reboot a message will appear that says ‘blackra1n is free software and not meant for commercial use’. Click Ok to continue.

Step 6- After reboot process is completed your iPhone is jailbroken and you will notice a blackra1n icon on the iPhone/iPod Touch.

Step 7- Click the blackRa1n icon to launch the application (internet connectivity is must to complete the process).

Step 8- Select Cydia and then press the Install button at the top right of the screen to download and install the package you selected.

Step 9- You will notice Cydia icon on iPhone springboard. Your iPhone with iPhone OS 3.1.2 firmware installed is now jailbreaked.

Related – iPhone Dev Team also released Pwnagetool 3.1.4  to jailbreak iPhone 2G/3G/3GS 3.1.2 and iPod Touch 1G/2G 3.1.2.

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