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  • Downgrade from 1.1.1 to 1.0.2 POSSIBLE NOW!
    KMAC over at hackint0sh has found a way to downgrade from 1.1.1 to 1.0.2. Here's the skinny:
    • Start iTunes and plug in your iPhone which is running the 1.1.1 firmware.
    • Hold down the Sleep and Home button for 10 seconds. Allow the phone to power off, but keep holding down the buttons. After 10 seconds, let go of the Sleep button, but keep the Home button pressed until iTunes sees your iPhone. The screen on your iPhone should be displaying nothing right now.
    • iTunes will ask you if you want to restorea. Hold down Option or Alt, I forget which (Shift if you are in Windows), and click restore. When iTunes asks you what file you would like to restore from, navigate to your 1.0.2 folder. You may have to rename that file to .zip and uncompress it. It will begin to restore.
    • When it completes, you will get an error. The iPhone will display the yellow triangle on the screen. Leave iTunes open, and run AppTapp. This may give you an error, but you should see the "Activate iPhone" screen after.
    • Run AppTapp again. If the iPhone isn't being recognized, restart the computer and then run AppTapp for the second time.
    • Congrats! You now have 1.0.2 again! iNdependence and all other modding apps will now work.
    This has been verified with iTunes 7.4.3.1.

    Wiki here.

    hackint0sh

    UPDATE: Not confirmed yet, but for those having the "incorrect SIM" issue after dowgrading, try this (thanks, Doerr)

    Just turn off the phone, take out the SIM card, turn it on, and when its done put it back in.
    This article was originally published in forum thread: Downgrade from 1.1.1 to 1.0.2 POSSIBLE NOW! started by Kyle Matthews View original post
    Comments 238 Comments
    1. taylorcold's Avatar
      taylorcold -
      I had the same problem. I figured it was maybe a step I did wrong. When I did it a second time, I had no problems installing the 4 apps.
    1. kidkrops's Avatar
      kidkrops -
      can someone please help meeee!.. ipurcahsed an iphone on Wednesday and it came with the 1.1.1 firmware. From what i understand i can downgrade my phone to version 1.02 but this won't downgrade the baseband on the phone thus i will not be able to use the phone function...(is this true?) and OR is it possible for me to downgrade me phone and to 1.02 and then run indep. and then jailbreak making my phone fully functional with any GMS sim.
    1. DoerrFan's Avatar
      DoerrFan -
      Quote Originally Posted by kidkrops View Post
      can someone please help meeee!.. ipurcahsed an iphone on Wednesday and it came with the 1.1.1 firmware. From what i understand i can downgrade my phone to version 1.02 but this won't downgrade the baseband on the phone thus i will not be able to use the phone function...(is this true?) and OR is it possible for me to downgrade me phone and to 1.02 and then run indep. and then jailbreak making my phone fully functional with any GMS sim.
      For Christs sake, NO YOU CANNOT DOWNGRADE THE BASEBAND RIGHT NOW.
    1. jedinight's Avatar
      jedinight -
      Quote Originally Posted by DoerrFan View Post
      For Christs sake, NO YOU CANNOT DOWNGRADE THE BASEBAND RIGHT NOW.
      its rediculious
    1. DoerrFan's Avatar
      DoerrFan -
      Quote Originally Posted by jjgsxr883 View Post
      its rediculious
      It is, read some posts at least, better yet search so you don't waste space.
    1. Junkers's Avatar
      Junkers -
      Can someone message to me instructions on how to down grade if I am using AT&T and so dont need to unlock the phone? I want to downgrade for the apps only!
    1. trupimp714's Avatar
      trupimp714 -
      help, Ok i just tried to restore my iphone back to 1.0.2. Everything worked fine, now i am at the iphone activation screen!! i can find any ways to bypass that. any help from anyone? i am using windows.
    1. billchase2's Avatar
      billchase2 -
      Quote Originally Posted by billchase2 View Post
      a problem i've run in to...

      after downgrading, everything works great except i have a little bit of an issue with text messaging. when i tap on the plus sign to create a new message, i start to type in the person's name i want to text. after typing the first letter, it starts narrowing down the names as usual... however, no matter what i type for the second letter, i get no results. due to this... i now can only type in the first letter of their name and have to scroll down to find them.

      yes... this isn't that big of a deal... it's just kind of annoying. anyone know how to fix this?
      an update to this...

      i've found that when i add new names to my address book on my iphone, that they end up showing up LAST within that letter of the alphabet. so in other words, if the name Amanda is the last name beginning with an "A" in my old address book (names i imported when restoring my backup after downgrading) and i add the name Aaron to it... rather than having Aaron near the beginning of the "A's", it will actually show up last, after Amanda.

      so i've realized that this is not just a texting issue, but also simply an iphone address book issue. if i go through the address book on my iphone to simply call them... the issue is there as well.

      i'm wondering that if i would be able to delete all my contacts off of my iphone and re-sync them from the backup on my computer, would it correct this? are there any other ideas? this is getting really annoying...
    1. schneiderman's Avatar
      schneiderman -
      what if apple updates itunes and then that option of uploading your own restore file will not be available?!
    1. pachu's Avatar
      pachu -
      hey how do i stop getting the incorrect sim message
    1. slezak12's Avatar
      slezak12 -
      So i downgraded before, it worked but now i have to downgrade again because my phone screwed up.

      When i first did it, the 1.0.2 firmware was just 1 file with a weird icon. Now for some reason it is a big folder with all this different crap then before.

      What do i do?
    1. yowiphone's Avatar
      yowiphone -
      TThere is going to be Jailbreak for 1.1.1!!!
    1. rztz2v's Avatar
      rztz2v -
      Followed the great advice on downgrading an original 1.0.2 that was upgraded to 1.1.1 (dork).

      All is working fine using a non AT&T sim. I have a fully working iPhone which can make calls on a non-AT&T network.

      However, when I now hook to iTunes it immediately comes up with a "iPhone "iPhone" can't be used with iTunes IMEI is incorrect" message. Obviously this means I can't sync for music, outlook etc.... bugger!

      In the Settings, About screen my IMEI is teh same as that engraved on back of phone. Tried turning off, extracting sim, power on and re-insertion... still same result.

      I tried searching this thread but couldn't see anything specific...

      Any ideas ?
    1. ngweibing's Avatar
      ngweibing -
      i try using Independce but cant work... i download the resotre 1.0.2 file but it just show as a folder and not a picture of a cube..
    1. ankitsid's Avatar
      ankitsid -
      dude im having the same problem were it just says insert correct or valid sim

      i cant get past it

      so ive got a problem
      i press home and start and go to the blank screen
      then do the restore by clicking shift restore and click on the .zip restore file
      and it says error

      so then i run apptapp choose firmware 1.0.2 and run it then it says "sending to iphone failed"
      saposedly i keep trying that
      yet nothing happens in the end my phone reboots and takes me back to the

      insert valid sim screen
      all im trying to do is bypass that screen to use wifi and ipod
      if im doing the wrong thing then PLEASE help

      (reply) [email protected]
      or just on here w.e works

      GREATLY APPERCIATED
    1. scienceman92's Avatar
      scienceman92 -
      Quote Originally Posted by trupimp714 View Post
      help, Ok i just tried to restore my iphone back to 1.0.2. Everything worked fine, now i am at the iphone activation screen!! i can find any ways to bypass that. any help from anyone? i am using windows.
      Well, if you don't want to unlock the phone: When you plug the iPhone into your computer, iTunes should ask you if you want to either restore it from backup of "X's iPhone" or to set it up as a new one. Restore it from the backup. If you want it unlocked, just use of the many methods available.
    1. artjr's Avatar
      artjr -
      Quote Originally Posted by poetic_folly View Post
      KMAC over at hackint0sh has found a way to downgrade from 1.1.1 to 1.0.2. Here's the skinny:
      • Start iTunes and plug in your iPhone which is running the 1.1.1 firmware.
      • Hold down the Sleep and Home button for 10 seconds. Allow the phone to power off, but keep holding down the buttons. After 10 seconds, let go of the Sleep button, but keep the Home button pressed until iTunes sees your iPhone. The screen on your iPhone should be displaying nothing right now.
      • iTunes will ask you if you want to restorea. Hold down Option or Alt, I forget which (Shift if you are in Windows), and click restore. When iTunes asks you what file you would like to restore from, navigate to your 1.0.2 folder. You may have to rename that file to .zip and uncompress it. It will begin to restore.
      • When it completes, you will get an error. The iPhone will display the yellow triangle on the screen. Leave iTunes open, and run AppTapp. This may give you an error, but you should see the "Activate iPhone" screen after.
      • Run AppTapp again. If the iPhone isn't being recognized, restart the computer and then run AppTapp for the second time.
      • Congrats! You now have 1.0.2 again! iNdependence and all other modding apps will now work.
      This has been verified with iTunes 7.4.3.1.

      Wiki here.

      hackint0sh

      UPDATE: Not confirmed yet, but for those having the "incorrect SIM" issue after dowgrading, try this (thanks, Doerr)
      Please help! I just went from 1.1.1 to 1.0.2 and all went well EXCEPT now I get incorrect SIM. How would I correct this?
    1. jimmy13's Avatar
      jimmy13 -
      thanks bro you were the missing piece I needed , IPHONE HACKED