I cannot say this will work for everyone, so in no way is this intended to be an end-all tutorial, but that said, these are the steps that I followed to jailbreak my iPhone 3GS running OS 3.1.2 using blackra1n. And yes I am aware my situation is a little abnormal because I generally use a Mac.
- Updated my iPhone 3GS to firmware 3.1.2 using iTunes on my iMac.
- Downloaded blackra1n on my Windows 7 based netbook
- Plugged my iPhone into the netbook and launched blackra1n
- Clicked the “make in ra1n” button
- Waited while blackra1n did its thing. Saw “entering recovery” “running” and finally “done, wait for reboot”
- Clicked Ok on the “Enjoy your jailbroken iPhone” prompt
- Clicked the blackra1n icon on my iPhone
- Clicked on the option to install Cydia, then waited for that to run and finish
- Clicked on the option to uninstall blackra1n from my iPhone
- Began reinstalling my jailbroken apps
After that was all done, just for good measure I plugged my iPhone back into my iMac and did a backup and sync. All things considered, the process of running blackra1n was quick and easy. It took me longer to find a spare sync cable to use on my netbook (I was to lazy to unplug from my iMac) than it did to jailbreak.


October 11th, 2009 at 10:37 am
so you updated to the official 3.1.2 fw and don’t care about unlocking?
October 11th, 2009 at 11:40 am
Yup, official firmware. Personally I am not interested in the unlock. I have always used my iPhone with AT&T.
October 11th, 2009 at 12:37 pm
ok i jailbroke my phone and installed cydia. but i also installed icy and rock. now i dont want icy and rock anymore how can i remove those from my phone
October 11th, 2009 at 3:50 pm
Hey…i’m new to jailbreaking. Just wanted to know, how did you reinstall jailbroken apps? Can you back them up?
October 12th, 2009 at 12:37 am
I bought my Iphone 3GS with 3.1 already on the phone (i believe) two weeks ago. I’ve already upgraded to 3.1.2. Is it safe to use blackra1n on my phone?
October 12th, 2009 at 1:46 am
Yea I upgraded to 3.1.2 than unlocked my 3gs with this jailbreak
October 12th, 2009 at 3:41 am
@Abed, Once you are jailbroken again, you install Cydia, then your apps can all be installed on a one by one basis.
@Dean, Yes blackra1n will jailbreak your officially upgraded (3.1.2) 3GS
October 12th, 2009 at 8:21 am
If I would restore from my last backup before I jailbreak my iphone, will apple know I did jailbreak the iphone?
October 12th, 2009 at 11:22 am
So you’re saying this new tool will jailbreak without modifying the baseband? I’m not the least bit interested in unlocking (and, honestly, have my issues with those that have – read your contract, people), but since I still have a 2G iPhone (practically abandoned now by Apple and AT&T) I thought I’d give jailbreaking a whirl again. I haven’t jailbroken since 1.1.
October 12th, 2009 at 8:16 pm
Yes. Afrer jailbreaking. I get on cydia and install appsync then i restore with itunes and all my appz are back in sync from a a back up.
October 12th, 2009 at 8:34 pm
appsync? I search cydia and find no appsync.. I too am trying to load some jailbroken apps on to my newly blackra1ned phone but do not know the method. I have tried at double clicking ipa files then sync but that fails… details would be very helpful..
October 12th, 2009 at 10:02 pm
Use aptbackup from cydia to backup and restore after The new jailbreak….
October 13th, 2009 at 12:50 am
I new in all this I really appreciated all the information.
October 13th, 2009 at 7:18 am
Has any succesully copied crack ipa files after using blackra1n? This is my first jailbreak and I’m confused about apps I’m downloading (Like Dopey’s stuff or CORE’s stuff). When I add to itunes the sync fails.. help, please.
October 13th, 2009 at 8:14 am
@ipodhunting
Sorry I cannot comment on any cracked ipa files. I only use the official App Store or Cydia for my apps. Nothing cracked here, not sure if they will work.
October 14th, 2009 at 1:09 pm
Any issues with winterboard? i remember when i used purplerain to jailbreak last time, there were some compatibility issues with winterboard. Anyone using it? Does it still work with blackrain?
October 30th, 2009 at 5:13 am
- Download and keep BlackRa1n.exe in your C:\
- Right click on BlackRa1n.exe –> properties–> Compatibility -> check the run this program in compatibility mode for… XP and also check the Run as admin option.
- Upgrade to 3.1.2 and restore with your latest back up(sync contacts etc etc)
- Close itunes
- Go to control panel (classic view)-> User Accounts ->Manage another account -> Create new account -> Select Administrator option and create a new account
- Click on the newly created account and select Create password to set a password.
- Shutdown your system
- Boot your system
- Login with your new admin account
- Let the windows complete setting up your desktop
- Now connect your iphone via usb
- Right click on BlackRa1n.exe and run as admin ( though already set to run as admin in properties, just making sure.. this is what i did)
- Click on ‘Make it Ra1n”
- Sit back and relax.. (you have to click on a lengthy message from BlacRa1n during the process to say ‘OK’ ) GeoHot screen will appear and reboot ur iphone.. after that its all simple.. check ur iphone for blackra1n app..
The blackra1n executable process hangs when iTunes detects the iphone in dfu mode and will open trying to restore it. But during the last step itunes will try to open.. but because of new user, it will get stuck on license agreement page..
November 5th, 2009 at 2:32 am
I did everything as disgussed and it worked…. ONE PROBLEM.. when i turn off my phone and turn it on again… it is always at DFU mode.. anything i did wrong?? please help
November 25th, 2009 at 12:51 pm
it´s possible to use itunes store with this aproach?
December 12th, 2009 at 11:38 am
wow you are a huge faggot
January 6th, 2010 at 5:15 pm
I found out that the GPS problem was caused only by balckra1n jailbreak. I restored my iPhone and GPS was working fine, but right after the jailbreak it wasn't working anymore.
Only thing that helped me with non-working GPS was complete restore with PwnageTool.
Here is link to Windows jailbreak: http://www.redmondpie.com/jailbreak-and-unlock-ip...
And MacOS jailbreak: http://www.redmondpie.com/jailbreak-iphone-3.1.2-...