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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. kuntryboi1977's Avatar
      kuntryboi1977 -
      Sup y'all can somebody help me out? I bought my phone and never upgraded to 1.1.1, I bought my brother a phone and he accidentally upgraded to 1.1.1 His phone was never unlocked, but he see's what i can do with my phone being unlocked and he's trying to figure out how to downgrade and unlock. All the posts I read are for ppl that have unlocked and upgraded to 1.1.1. His phone works normally but I just don't want to mess his phone up. It is activated with ATT. Thanks for any help you can give me!!!
    1. XFaega's Avatar
      XFaega -
      Quote Originally Posted by kuntryboi1977 View Post
      Sup y'all can somebody help me out? I bought my phone and never upgraded to 1.1.1, I bought my brother a phone and he accidentally upgraded to 1.1.1 His phone was never unlocked, but he see's what i can do with my phone being unlocked and he's trying to figure out how to downgrade and unlock. All the posts I read are for ppl that have unlocked and upgraded to 1.1.1. His phone works normally but I just don't want to mess his phone up. It is activated with ATT. Thanks for any help you can give me!!!

      My iPhone had the 1.1.1 and I was able to downgrade to 1.0.2 along with the baseband without any problems. Follow the guide in this link ( http://modmyi.com/wiki/index.php/Dow...1_to_1.0.2_OSX ) down to number 17. Also you don't need to install the anysim.app.
    1. yowiphone's Avatar
      yowiphone -
      This will work on a fresh 1.1.1 from apple? yeah?
    1. Cody Overcash's Avatar
      Cody Overcash -
      Quote Originally Posted by yowiphone View Post
      This will work on a fresh 1.1.1 from apple? yeah?
      yes
    1. yowiphone's Avatar
      yowiphone -
      Quote Originally Posted by cash7c3 View Post
      yes
      i liove u dude lol!!!
    1. jgasca's Avatar
      jgasca -
      Hello,

      I followed this process and it works perfect!
      I bought my iphone with: 1.1.1 and baseband firmware: DEV_ICE_MODEM_04.01.13_G, after following this guide, now I'm at: 1.0.2 and baseband firmware: DEV_ICE_MODEM_03.14.08_G.

      But now whenever I try to run AnySim it always ends with this error message:
      'unlock failure the flash operation succeded but the unlock commands failed. you might want to check the baseband manually using minicom'

      Any ideas?

      Thanks in advance
    1. cory's Avatar
      cory -
      ok guys, I've read every post in this thread and I still don't know if I should go through all of this. I downgraded from 1.1.1 to 1.0.2 the old way (no baseband downgrade) My phone is working just fine except the sound part of customize. is 1.1.1 really worth all of this work? will having 1.1.1 set me up to be in a better position for future up grades or should I just leave well enough alone?
    1. kuntryboi1977's Avatar
      kuntryboi1977 -
      I'm using Windows. The original phone had 1.0.2 but it was upgraded to 1.1.1 Anything i can use with windows
    1. shareez's Avatar
      shareez -
      hello. this was my first time doing this and i was wondering at which step do you remove the at&t sim card and put in the desired sim card (in my case, it was t-mobile). i did all the steps till the very end and it gave me an invalid sim error but it may be because i left the at&t sim card in there while using anysim to unlock.


      Please help!!


      thanks in advance!
    1. thebambino's Avatar
      thebambino -
      i did the same thing but it didnt say invalid sim mine told me to activate with itunes so i plugged it into itunes waited for the activation screen to load and then quit itunes and opened independence and activated trough there maybe it helps you
    1. k0mpresd's Avatar
      k0mpresd -
      Quote Originally Posted by mjban View Post
      I can't pass this step.. "waiting for data" have been there for about 15 minutes.. and nothing.. please help..
      i am having the same problem

      help

      edit: used a new version of ieraser and it worked fine...cash, you might want to update the zip files you have posted
    1. DeadCode2k's Avatar
      DeadCode2k -
      Thanks a lot CASH. I used your OSX Guide and also used Ravens windows guide and I got my iphone now working again.

      THANKS GUYS!!!!!
    1. 71_Dime's Avatar
      71_Dime -
      Quote Originally Posted by Mirza513 View Post
      Okay here is a quick guide with what I did to "unbrick" my iPhone

      Follow this guide to downgrade your iPhone firmware back to 1.0.2 (but still having BB firmware at 4.01)
      http://modmyi.com/wiki/index.php/Dow...firmware_1.0.2

      After you have finished that guide, you should be looking at your Springboard.

      STEP 1
      1 - Connect your iPhone to iBrickr
      2 - Go to applications and follow the instructions (it should ask you to restart phone twice)
      3 - After you finished that, browse the applications and install - BSD SubSystem, openSSH, Mobile Terminal, and anySIM 1.0.2
      (I did it in that order, I don't know if it matters though)

      STEP 2
      1 - After that, download the files that Poetic_folly provided here
      2 - Extract the files and rename secpack.bin to just secpack
      3 - Download bbupdater from here
      4 - Now upload the following files to /usr/bin using iBrickr. (ieraser, secpack, ICE03.14.08_G.eep and ICE03.14.08_G.fls, bbupdater)

      STEP 3
      0 - Tap the Terminal icon and enter the following commands
      1 - launchctl remove com.apple.CommCenter
      2 - cd /usr/bin
      3 - chmod +x bbupdater
      4 - ./bbupdater -v (the v stands for versions I guess. This will show you which BB version you have)
      5 - chmod +x ieraser
      6 - ./ieraser (Wait for it to finish)
      7 - ./bbupdater -f *.fls -e *.eep (Wait for it to finish)
      8 - ./bbupdater -v (Now check if you have BB version 3.14. If not then something did not go right. Try again)
      9 - Tap the anySIM icon and let it do it's thing (Make sure the auto lock thing is set to never)

      -Restart your phone and you should not get the "Incorrect SIM" error anymore
      -You should also have the correct BB version now along with the correct IMEI number


      I wrote this from memory, I hope its accurate and for the record, I don't know much about the unlock process or what its doing. I just followed the instructions from the first post

      All credit goes to the people who made this possible!

      Good Luck Guys!!

      I have an unlocked iphone. i updated to 1.1.1 and bricked the phone. i downgraded the firmware successfully to 1.0.2 because i go the yellow triangle again. followed the steps but i cant get past step 3 which is to tap on Terminal icon. I have to use Terminal on the phone?? i'm still on the Activate Itunes screen and cant go to my springboard so i cant run Terminal on my phone. it also says incorrect sim. i have a valid att sim and contract and the IMEI is the weird number. no the same as the back of phone. can some one please point me the right direction. thanks in advance.
    1. xp02ed's Avatar
      xp02ed -
      use putty although u need BSD and openSSH installed..

      You need to bypass the ATT to be able to install the apps and user terminal via iphone or wireless
    1. 71_Dime's Avatar
      71_Dime -
      Quote Originally Posted by xp02ed View Post
      use putty although u need BSD and openSSH installed..

      You need to bypass the ATT to be able to install the apps and user terminal via iphone or wireless

      I already installed BSD and open SSH using iBrick. how do i bypass ATT. im using Windows. thanks

      what is an easy way cause i looked around and found dvd jons way but involves hex editor an it all seems too confusing.
    1. k0mpresd's Avatar
      k0mpresd -
      Quote Originally Posted by poetic_folly View Post
      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.
      this does not work for me

      all the other steps work perfect but even before unlocking again, i run the above command again and it is still not working correctly

      itunes tells me the imei # is wrong and it wont connect to itunes...i can run the unlock utility and get service but still cannot connect to itunes...i have to restore the phone before it will connect to itunes again

      am i missing something?
    1. teebee's Avatar
      teebee -
      Works perfect on 3 phones so far. Use the PACAY batch after downgraded to get back onto your Springboard
    1. yowiphone's Avatar
      yowiphone -
      So once you fully do this method does youtube work as-well?
    1. teebee's Avatar
      teebee -
      Quote Originally Posted by yowiphone View Post
      So once you fully do this method does youtube work as-well?
      Yes.

      I just woke up after a 10 hour of try-to-hack-4-iPhones-1.1.1-get-a-brick-unbrick-day. I was stucked with some steps at the new method after installing 1.1.1. Acteally this guide saved me from some financial crashdown.

      So just do the downgrade -
      10 sec both buttons no iTunes running phone connected in dock (you can hear the unload USB sound on WinXP), screen is blank (black)
      keep pressing only Home button, when u hear the new USB sound run iTunes. release Home button
      shift-click restore button to restore from your downloaded 1.0.2 file
      when done use AppTapp twice
      apply the PACAY batch or other activation method
      follow the guide up here.

      Confirmed working on 3 of 4 phones so far. I am gonna try the 4th right now again.
    1. 71_Dime's Avatar
      71_Dime -
      i am having problems after downgrading firmware to 1.0.2 and baseband to 03.14.08. i followed the guide and everything worked successfully but i still get the incorrect sim message and the IMEI is still different. I downgraded because i had bricked my unlocked iphone after the update to 1.1.1. Please help.

      p.s. i have a legit att sim and contract.