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  • 1.1.1 Baseband Downgrade Achieved!
    cash edit: All you OSX guys out there I have written a nice guide for you, it takes a little time but i tried to be as detailed as possible.
    Click here for the Downgrade from 1.1.1 to 1.0.2 complete guide including baseband via osx


    Revan has made the windows guide click here

    All right! If any of you have "bricked" iPhones from upgrading unlocked iPhone's to 1.1.1, you are now able to downgrade without paying a dime!

    The guys over at RDGaccess.com have put together a guide on how to do it, here it is:

    "UNBRICKING 1.1.1 UPGRADE

    How To

    0. Download firmware 1.0.2 from apple: http://appldnld.apple.com.edgesuite....8_Restore.ipsw

    1. rename it to iPhone1,1_1.0.2_1C28_Restore.zip and unpack.

    2. extract the ramdisk file from it by typing

    dd if=694-5259-38.dmg of=ramdisk.dmg bs=512 skip=4

    3. mount the ramdisk by doubleclicking it (on mac). On windows use some HFS tools to peek inside it or get the files from someone who extracted it already.

    4. Put your phone into DFU mode and do option-restore in iTunes. This will reflash everything to 1.0.2. You will get an error at the end because it couldnt reflash the baseband. You will end up with a yellow triangle.

    5. Quit iTunes, launch iNdependence and quit it again, relaunch iTunes. Press the power button on the phone for 3-4 seconds. After like 10 seconds you end up on the activation screen.

    6. Complete the Downgrade by Jailbreaking / Activating, Installing SSh on to the phone etc. There are tons of wiki's about that so I won't repeat. (probably also true for step 4,5)

    7. Extract the baseband firmware and EEPROM files of 3.14 from the ramdisk of firmware 1.0.2. The files are named ICE03.14.08_G.eep and ICE03.14.08_G.fls and are located under /usr/local/standalone/firmware.

    8. Get the Secpack of baseband firmware 4.0. Its at the bottom of this post.

    9. Download ieraser2 from http://www.fink.org/ieraser/ or from Geohot's blog.

    10. Install all the tools on to the phone (i use the location /usr/local/bin)needed to get ssh access to the 1.0.2 firmware phone and upload ieraser2, the secpack, the firmware 3.14's FLS and EEP file and anySIM 1.0.2.

    11. ssh to the phone. Stop CommCenter? by typing:

    launchctl remove com.apple.CommCenter?

    12. run bbupdater -v. it will tell you you run version 4.01 of the baseband.

    (bbupdater is a tool by apple which is also on the ramdisk)

    13. run ieraser2. This will WIPE your baseband, given a file "secpack" is in the same directory and this is a version 4 secpack.

    14. run " bbupdater -v " again. it will not find any firmware now. 15. run " bbupdater -e ICE03.14.08_G.eep -f ICE03.14.08_G.fls " 16. run " bbupdater -v " it will tell you you run version 3.14 At this point in time you will still have a IMEI number starting with 004999... and its not of use yet. So still bricked but at least downgraded to version 3.14.

    17. run anySIM Version 1.0.2 (note that older versions might not be good here as 1.0.2 has a lot of fixes for this kind of stuff).

    Now you have a unlocked 3.14 baseband with IMEI being your original one! Congratulations you now fully recovered from your update 1.1.1 and are back to 1.0.2.

    If you want to return to virgin state again you can stop the commcenter again and repeat " bbupdater -e ICE03.14.08_G.eep -f ICE03.14.08_G.fls " again to reflash the "locked" version of the baseband.
    "

    RDGaccess

    All files needed are here
    This article was originally published in forum thread: 1.1.1 Baseband Downgrade Achieved! started by Kyle Matthews View original post
    Comments 178 Comments
    1. cadugauch's Avatar
      cadugauch -
      Quote Originally Posted by bigdogjonx View Post
      Now if you want to go to virgin state, you have to run the bbupdater one more time which will erase the unlock by anySim and relock the phone, however everytime I do that the IMEI returns back to that bogus 0499 one, which is still a problem, because its going to cause problems if you upgrade to 1.1.1 not to mention you get Invalid SIM even if you have your original ATT one in there.
      does anyone knows how to solve this? is anyone having that same problem?
    1. Mirza513's Avatar
      Mirza513 -
      Quote Originally Posted by buzilanga View Post
      that bus error i think is because we have wrong secpack or because we are using secpack.bin instead of just secpack, how do you think the .bin away?
      just rename it to secpack instead of secpack.bin

      Quote Originally Posted by meatwagon View Post
      # ./bbupdater -v
      zsh: permission denied: ./bbupdater
      i was getting the access denied problem too.. but i reinstalled BSDsubsystem, openSSH, and the terminal..
      after that it didnt give me the error anymore

      Quote Originally Posted by meatwagon View Post
      ok i did it but my baseband is still the same



      for some reason i downlaod this file.. do i need it instead of setpack.bin (which i renamed to setpack)

      secpack40113.bin

      i need to get this done asap!!!
      dude its not.. setpack.. its secpack

      rename it to secpack
    1. bigdogjonx's Avatar
      bigdogjonx -
      Quote Originally Posted by cadugauch View Post
      does anyone knows how to solve this? is anyone having that same problem?
      So a bit more testing and different methods and this is what I got.

      I removed the SIM card, then ran the bbupdater to set it to Virgin again and shut the phone off and back on, again still no SIM. This time the IMEI is the correct one.

      Now heres where its gets wierd. I push the SIM back in, and it says invalid SIM, go to About, still got the right IMEI and ICCID off the SIM is showing.

      Turn off the phone back on again and guess what? Damn IMEI flipping back to 00499 bogus one and still got the invalid SIM.

      So clearly when it seems this original ATT sim it just re-bricks itself somehow.
    1. Mirza513's Avatar
      Mirza513 -
      Quote Originally Posted by meatwagon View Post
      for all of you, i dont know why, but for some reason instead of chmod - i had to use the +..... and it worked for me.
      yea u got to use chmod +
      for example
      chmod +x bbupdater
    1. xxjoebreadxx's Avatar
      xxjoebreadxx -
      This is awesome! Can't wait to see apple's faces. HAH
    1. southsky's Avatar
      southsky -
      I am having same virgining issue (the last step). I too have tried many things to get it to work.

      I just want to have virgin 1.1.1 update for my backup phone...
    1. kidkrops's Avatar
      kidkrops -
      Ok...so i have a new 1.1.1 fm iphone which i purchased a week ago...Is there anyway to activate the simcard for non ATT users? I understand there is a way to jailbreak it but is there a way to activate the phone?
      Digg
    1. Primpilampa's Avatar
      Primpilampa -
      I have Modem Firmware 04.01.13_G and everything is working fine, even phone, should I leave things like this???

      Thanks
    1. Cody Overcash's Avatar
      Cody Overcash -
      Quote Originally Posted by Primpilampa View Post
      I have Modem Firmware 04.01.13_G and everything is working fine, even phone, should I leave things like this???

      Thanks
      if everything is working fine no need to downgrade your baseband
    1. DoerrFan's Avatar
      DoerrFan -
      Is it just me or did Apple just get iPwned?
    1. meatwagon's Avatar
      meatwagon -
      just you,

      Be Aware guys, Im 92% sure i these steps correctly, and guess what, my Wi-Fi is fried! ive done 3 more restore/downgrades and they all work fine, except 1 thing, MY Wifi is fried!
    1. Cody Overcash's Avatar
      Cody Overcash -
      Quote Originally Posted by meatwagon View Post
      just you,

      Be Aware guys, Im 92% sure i these steps correctly, and guess what, my Wi-Fi is fried! ive done 3 more restore/downgrades and they all work fine, except 1 thing, MY Wifi is fried!
      weird, mine works fine bricked and done this entire thing twice on the same phone
    1. meatwagon's Avatar
      meatwagon -
      yeah the other 3 went down fine too...


      well i had another problem on one. I couldnt delete the anysim app. strange....

      now that i think about it. i think i know where it went wrong.. when i was on the last step downgrading it.... my computers network card went bonkers and i lost my connection. so the flash stopped, i was able to ssh back into the BB, and flash it to 1.0.2 but the wifi is gone, FOVEVER
    1. Cody Overcash's Avatar
      Cody Overcash -
      Quote Originally Posted by meatwagon View Post
      yeah the other 3 went down fine too...


      well i had another problem on one. I couldnt delete the anysim app. strange....

      now that i think about it. i think i know where it went wrong.. when i was on the last step downgrading it.... my computers network card went bonkers and i lost my connection. so the flash stopped, i was able to ssh back into the BB, and flash it to 1.0.2 but the wifi is gone, FOVEVER
      yeah that would probably do it
    1. imbombero's Avatar
      imbombero -
      Hey guys...I've been following the uprades and just have a qustion or two...I have vs. 1.0.2 running on my iphone with (after the 1.1.1 nightmare) I'm an att cust. and have no problems with the phone...do I need to mess with the baseband or the firmware which is vs. 4.0.13...again my phone is working fine and apptapp is quite happy. Is 1.1.1 worth upgrading to?
      Thanks.
    1. thebambino's Avatar
      thebambino -
      how long does it take at the end of terminal for the waiting for data screen?
    1. DoerrFan's Avatar
      DoerrFan -
      Quote Originally Posted by thebambino View Post
      how long does it take at the end of terminal for the waiting for data screen?
      two minutes about.
    1. mjban's Avatar
      mjban -
      Quote Originally Posted by DoerrFan View Post
      two minutes about.
      I can't pass this step.. "waiting for data" have been there for about 15 minutes.. and nothing.. please help..
    1. DrTroy's Avatar
      DrTroy -
      can you guys confirm me in my situation that this procedure will work ?

      I have an iPhone, that was 1.0.2, it was unlocked by AnySim, and then updated to 1.1.1, so it bricked the iphone.
      I then did the tutorials to make it back to 1.0.2, which worked fine, so I can use every functions except the phone functions, as I have a baseband 04.01.13_G.

      can you confirm me this procedure will make my iPhone work on my situation ? with all sim cards.

      thank you for the help

      Kind Regards
      DrTroy
    1. Cody Overcash's Avatar
      Cody Overcash -
      yes