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  • How to Capture Your iPhone 3GS iBEC and iBSS on Mac
    This guide will help you to get some important iBEC and iBSS files for your iPhone 3GS which will be required for jailbreak once it is released.

    Things you Need:

    We recommned you to backup before following the steps.

    Follow the steps below to get the files:

    Step One:

    Click and Hold the Finder icon in the dock and select Go to Folder.. from the pop-up options.

    Step Two:

    Type "/Users/'your username'/Library/Caches/Cleanup At Startup" in the pop-up box and click the 'Go' button. (Remove '' part from 'your username'). This will open the 'Cleanup At Startup' folder in the Finder window. Leave this window open.

    Step Three:

    Create a new folder, 'MOST IMPORTANT FILES IN THE WORLD' in this example.

    Step Four:

    Open iTunes and connect your iPhone 3GS to the computer in DFU Mode. Select it from the list of devices in the left sidebar. Hold option and click Restore button. Navigate to the iPhone firmware you downloaded before, select it and click 'Open'.

    Your iPhone will now begin restoring to the 3.0 firmware. You will be warned that this will erase your phone. Click the 'Restore' button to continue.

    Step Five:

    When the restore is in progress check the "/Users/'your username'/Library/Caches/Cleanup At Startup" folder you opened before. A new folder will appear with a name similar to 'iPhone Temporary Files.noindex'. When the folder appears, select it, and press Command+c to copy it to the clipboard.

    Open the 'MOST IMPORTANT FILES IN THE WORLD' folder you made before and paste 'iPhone Temporary Files.noindex' there. This will make a copy of your unique iBEC and iBSS.

    Make sure you finish these steps before the restore is completed and you're done!

    All the credit for the technique goes to DevTeam

    P.S. Thanks to Melech518 for all the screenshots!

    UPDATE: If you have already obtained a USB Dump from Purplera1n.com, no need to follow the guide

    UPDATE 2: Seems that Purplera1n just gives iBSS so if you want iBEC as well (can't restore to totally stock 3.0 without it), follow this method as well.
    This article was originally published in forum thread: How to Capture Your iPhone 3GS iBEC and iBSS on Mac started by sayam View original post
    Comments 159 Comments
    1. reeko's Avatar
      reeko -
      And he's jumped right back on my penis

      ronfin44, its been fun. im signing off with this one. thankyou, and good night
    1. ronfin44's Avatar
      ronfin44 -
      ...and like clockwork he talks about his penis again. I suppose when penis is always on your mind you can't help it. haha classic Projection!


      Time to end this middle-school crap. It was fun watching you use your Internet Handbook to attack me, but seriously guy, your wit is weaker than wet toilet paper. You're clueless about what Projection is, though I'm sure you'll Google it now lol. So I'll allow you to have the last word here in closing. After-all, it's the least I can do since you humored me with your Mr. Bean Ha Ha's. lol


    1. ninthchamber99's Avatar
      ninthchamber99 -
      Ok, I dont know what the posts in this thread have turned into but back on topic..................I just wanted to pass along this guide:

      iClarified - iPhone - How to Capture Your iPhone 3GS iBEC and iBSS (Mac) [Updated]

      it worked for me. Im not doubting this thread's guide, but I found this other one easier. Sorry that I cant give credit where it is due since I came across a thread that listed this website as good guide to use. I am choosing to wait for the dev team to put these files to use instead of using the newly released purplera1n from geohot.
    1. stingray88's Avatar
      stingray88 -
      Try this again, just 3 quick questions....
      So I have done the rain and got the file from that... but I dont see a iBSS file there. The file I got was a text file. Should it be? I have also done both restores in dfu and out of dfu. Both times I got the iBEC file only. Do I need to do it one more time with the method above to get the iBSS??
      Thanks for all the hard work!

      PS Can't we all just get along???
    1. svd21's Avatar
      svd21 -
      Quote Originally Posted by mxpimp47 View Post
      whats irritating is how all of a sudden the forum got so big in the past year from all these impatient people. i have been following the forum before i even registered and all my questions were asked after doing a bit of reading. i still have questions about stuff but i dont usually post. i dont know everything by any means. but i just read as much as possible. usually that helps when people read. yes it can be frustrating to come into the middle of a topic that has a whole lot of pages! but all it does is fill up more useless crap for us to read through when people start typing away! and now there is hundreds of users that just join to ask some question that was already answered, and never post again. which there is nothing wrong with posting a question, just aslong as its not posted time and time again.
      AMEN!! People really have got to read. I got my files using the iclairafied way. Worked flawlessly
    1. MetallicaFan1991's Avatar
      MetallicaFan1991 -
      Just did it the iClarified way and got the files. I got two files with the date and time today unlike people earlier on in this thread

      Quote Originally Posted by jamriman View Post
      I messed up. Any way to downgrade back to 3.0 from 3.1? Thanks!!
      Lmao!! Are your for real?
    1. stingray88's Avatar
      stingray88 -
      So what if I do all the reading, including all these BS arguments, and find conflicting answers?
      So I ask what I believe to be an easy and quick question. Than all you arrogant jack*sses ***** how us noobs dont read. Maybe thats why I never post, I never get my answers. But when I have been jailbreaking since the first touch JB and havent had to post any questions about it... and now I do... get off your high horses! Help us out a little. All I needed was a simple yes or no.
    1. bpwalker74's Avatar
      bpwalker74 -
      Everytime I download the 3.0 firmware it saves it as a zip file. When I try to unzip it it won't unzip. Is there something I'm missing???? Program or something.

      Windows XP
    1. 3gsmorena's Avatar
      3gsmorena -
      ^^^^ @bpwalker74 - I'm having the same problem. Did you figure it out?
    1. bpwalker74's Avatar
      bpwalker74 -
      Quote Originally Posted by 3gsmorena View Post
      ^^^^ @bpwalker74 - I'm having the same problem. Did you figure it out?
      Well I spent all night and this morn reading in other places than here. The only thing I can find is to rename the .zip file to .ipsw

      When I get home I'm going to try this but I also downloaded it here at work and it downloaded right.

      Hope this helps.
    1. reeko's Avatar
      reeko -
      Yep, if you rename the file to just .ipsw (deleted the .zip) it will be fine.
    1. robogobo's Avatar
      robogobo -
      iClarified's method is much simpler.

      iClarified - iPhone - How to Capture Your iPhone 3GS iBEC and iBSS (Mac) [Updated]
      Step Ten
      That's it. We now have captured our iBEC and iBSS. You can move these to a safe place to be used for a future jailbreak of your iPhone 3GS.

      ***Thanks to c0ns0le for posting the script to make it easier for those not fast with copy/paste.
    1. Racer's Avatar
      Racer -
      Ok I am new to jailbrakeing. So I have the 3gs and not jailbroken with 3.0 FW. If I want to jailbrake still using 3.0, I have to do this? Or is this for when I want to restore back to 3.0?
      I don't know if I made sence.
      If some one could PLEASE help me and guide me through and explain to me what exactly this is because I really want to jailbreak while in 3.0 but would like to update to 3.1 once available.

      Again, if some could explain in SIMPLE terms, I would REALLY appreciate it. Thanks!!!
    1. finbar007's Avatar
      finbar007 -
      I sucessfully applied this method to my phone and the iClarified method to a mates iphone. However, after doing it i noticed that the "date created" for his IBSS/IBEC files was the current date and the "date created" for my files is 21/5/2009. Any reason for this? and could it be a problem in the future?
    1. zeeshanjs's Avatar
      zeeshanjs -
      Hey hi, I don't have ECID and I didn't obtain my iBEC and iBSS files. But my iphone 3GS 3.0 firmware is already jailbroken and is unclock with ultrasnow/redsnow, am I be able to jailbreak and unlock 3.1 once its release.
    1. z3r01's Avatar
      z3r01 -
      Just relax and wait your ok
      as long as u don't upgrade
    1. kyevey's Avatar
      kyevey -
      @ z3r01... Who was your response to? I'm in the same situation as zeeshanjs... Thanks in advance!
    1. JamesRubin's Avatar
      JamesRubin -
      I'm confused about whether I need to save the iBSS and iBEC files.

      I have a jailbroken, unlocked 3G S still running on 3.0. Do I need to save the iBSS and iBEC files in order to preserve the unlock when I upgrade to jailbroken 3.1. Should I save them anyway? Can I do it on iTunes 9.1, or do I have to use an old iTunes.

      Finally, if I understand correctly, I will have to re-jailbreak and re-unlock in 3.0 after saving these files because the phone will be restored to the standard Apple 3.0, not the Pwnge version.

      Thanks for your advice.
    1. Melech518's Avatar
      Melech518 -
      You cannot do this anymore, And DO NOT ATTEMPT or you will be forced to go to 3.1 and lose your unlock