Steps to Jailbreak iPhone 2G OS 3.1.2 with blackra1n & unlock with BootNeuter

Note: This guide is for iPhone 1st Generation. For iPhone 3G or 3GS running 3.1.2 go here

Here, are the steps to jailbreak and unlock iPhone 2G (EDGE / 1st Gen)  running on OS 3.1.2  with blackra1n:

Before starting these steps, make sure you’ve updated to OS 3.1.2 from iTunes


  • Now click on the Windows Logo, to download the Windows version.
  • Save the blackra1n.exe and Plug your iPhone.


  • Once it is saved, right click and select open, or you can also browse to the path where you saved it and open the exe.


  • As soon as you launch the blackra1n.exe, you will see a big button with caption ‘make it ra1n‘, click on that button.

entering recovery 20340


  • Now your phone will be entered in a DFU mode, and you will see Geohot’s photo on your iPhone screen and in the meantime you will also see iTunes saying to restore the phone: just ignore it.


  • Let your iPhone reboot.
  • Once it is rebooted, you will see blackra1n on your iPhone screen, open it.
  • Now you will see 3 things: Cydia, Rock and sn0w.
  • Tap on cydia, but before doing that make sure you are connected to WIFI.


  • It will install cydia. (don’t need to install sn0w that is meant only for 3G and 3GS)
  • Similarly, again launch blackra1n and install Rock  if you want.
  • Now Launch cydia and update it if asks.
  • Now search for ‘BootNeuter’ and install it.

BootNeuter BootNeuter Install

  • Once BootNeuter is installed, Reboot phone and launch BootNeuter.
  • Now make sure you do the same setting mentioned on  below screen shot:


  • Once you do the settings mentioned on above screenshot, tap on red color Flash button and reboot again. Note: Don’t interrupt flashing process, it might take some time so please be patient.  😛


  • That’s you are done, You will also see your Carrier name.

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