| General General jailbreaking, downgrading, and upgrading topics belong in here. |
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07-15-2008, 02:11 PM
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Moderator
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PC & Mac Guide - Downgrade from 2.0 to 1.1.4
Before we begin please budget about 45mins of your time to get this done.
*This is only for 1st Generation iPhones that have been upgraded... not for 3G iPhones*
1. Download iTunes 7.5 from here: Direct Download iTunes 7.5 to Activate iPhone Anywhere Internationally » My Digital Life
2. Uninstall your current version of iTunes and reboot your PC.
3. Go to My Documents > My Music > iTunes and delete the file called "iTunes Library.itl"
4. Install iTunes 7.5
Note for OSX users:
If you are on OSX and want to attempt to downgrade your iTunes, you can try these steps:
Load up Terminal and type the following:
killall iTunesHelper
sudo -s
rm -r /Applications/iTunes.app
rm -r /Library/Receipts/iTunesX.pkg
rm ~/Library/Preferences/com.apple.iTunes*
rm -r /Applications/iTunes.app
rm -r /Library/Receipts/iTunesX.pkg
rm ~/Library/Preferences/com.apple.iTunes*
rm -r /System/Library/PrivateFrameworks/MobileDevice.framework
5. Download the 1.1.4 restore file from the here http://www.modmyifone.com/forums/dow...o=file&id=2231 if you don't already have it.
6. Put your phone into DFU mode using the following steps
a. Plug your phone into iTunes (ignore the message that pops up)
b. Power the phone OFF
c. Hold power and home for EXACTLY 10 seconds
d. Release power (continue to hold home)
e. iTunes will recognize iphone in restore mode (you can let go of home now)
7. Hold shift and click Restore - select the 1.1.4 firmware file you downloaded
8. After it's done restoring you will get error 1015 and the phone should be in recovery mode (iTunes logo with cable)
9. Important! Hold shift and click Restore and select the 1.1.4 firmware file and RESTORE AGAIN.
10. After it's done open iLiberty "other tools" tab and click "jump out of recovery mode". (note - if you didn't restore TWICE as instructed above the phone won't jump out of recovery mode)
Note: On a Mac you can use Independence to kick out of recovery mode. http://code.google.com/p/independence/downloads/list
OK, you now have a phone with 1.1.4 Firmware and the 4.05.04 baseband. Now we have to downgrade the baseband
11. Download KiPhone
*Unzip all files into a folder before you run the program or it will fail*
12. Run KiPhone with Debug Boot and iErase options checked. (Leave the box for downgrade UNCHECKED)
13. Plug your phone into iTunes and shift+click restore to 1.1.4 AGAIN. This will write the correct 4.04.05 baseband to you phone. (You may have to put your phone into recovery mode manually for iTunes to let you restore - hold power and home until the phone reboots - continue to hold until you see the iTunes logo)
14. Your phone should now be factory 1.1.4 with the matching baseband - all you have left is to jailbreak/unlock with you method of choice. |
__________________
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DFU Restore Mode:
1. Boot phone 2. Hold Power + Home until the screen goes BLACK 3. Continue to hold home and let go of power 4. Plug into iTunes (screen should still be BLACK) 5. Within 20 seconds it should come up in recovery mode 6. Let go of Home and hit RESTORE in iTunes.
Firmware 2.0 DFU: 1. Power phone OFF. 2. Hold power + home for 10 seconds. 3. Let go of power and continue to hold home until iTunes finds the phone.
Last edited by Poseidon79; 07-28-2008 at 08:40 PM.
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07-15-2008, 02:23 PM
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i followed those steps yesterday and got it to down grade so my iPhone is working 100%. its been a day now with no problem. Also the key to this is taking your time.
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The Following 2 Users Say Thank You to Rolldog For This Useful Post:
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07-15-2008, 05:59 PM
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Green Apple
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 Join Date: Jul 2008 Posts: 42
Thanks: 2
Thanked 3 Times in 3 Posts
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finally someone made a guide for noobs to understand lol. hopefully people will actually read this and not flip out when they do something wrong. good job
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07-15-2008, 06:38 PM
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K when I open KiPhone, there are three options that can be checked. The first one is Downgrade baseband. Does that one need to be checked too? Or is it only debug boot and ierase
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07-15-2008, 07:11 PM
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Quote:
Originally Posted by Fear1508
K when I open KiPhone, there are three options that can be checked. The first one is Downgrade baseband. Does that one need to be checked too? Or is it only debug boot and ierase
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check downgrade and debug.. |
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07-15-2008, 08:28 PM
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Moderator
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Incorrect Sir... you are ERASING your baseband, now downgrading it. Please follow my guidelines EXACTLY.
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__________________
===========================================
DFU Restore Mode:
1. Boot phone 2. Hold Power + Home until the screen goes BLACK 3. Continue to hold home and let go of power 4. Plug into iTunes (screen should still be BLACK) 5. Within 20 seconds it should come up in recovery mode 6. Let go of Home and hit RESTORE in iTunes.
Firmware 2.0 DFU: 1. Power phone OFF. 2. Hold power + home for 10 seconds. 3. Let go of power and continue to hold home until iTunes finds the phone.
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The Following User Says Thank You to Poseidon79 For This Useful Post:
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07-15-2008, 10:29 PM
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Where can I find "iLiberty" ? Thank you ahead of time.
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__________________
"Win or lose, I promise you violence"
Wanderlei Silva
I'M GONNA BE ORIGINAL... DON'T THANK ME PLEASE, NO MATTER HOW MUCH I MAY HELP!!!!!!!!!!!!!!!!!!  |
07-15-2008, 10:49 PM
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iTunes asking for a correct sim card :(
Hi, I followed your steps exactly up until #13 "13. Plug your phone into iTunes and shift+click restore to 1.1.4 AGAIN. This will write the correct 4.04.05 baseband to you phone." When I plug the iPhone into the iTunes, the iTunes is asking for a correct SIM card, AT&T that is. I'm a tMobile customer and I have tossed away the AT&T sim that came w/iPhone. Is there a way around it? Thank you!
I got it here:
iLiberty+ | George Zhu's BLOG |
Last edited by avdosha; 07-16-2008 at 06:59 AM.
Reason: Automerged Doublepost
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07-16-2008, 08:03 AM
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i followed every step my phone when back to normal but it has no reception & it says it needs repair i cannot make or recieve calls... help..
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07-16-2008, 08:14 AM
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Moderator
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Quote:
Originally Posted by infamous12550
Where can I find "iLiberty" ? Thank you ahead of time.
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I Liberty can be found at theiphoneproject
Quote:
Originally Posted by avdosha
Hi, I followed your steps exactly up until #13 "13. Plug your phone into iTunes and shift+click restore to 1.1.4 AGAIN. This will write the correct 4.04.05 baseband to you phone." When I plug the iPhone into the iTunes, the iTunes is asking for a correct SIM card, AT&T that is. I'm a tMobile customer and I have tossed away the AT&T sim that came w/iPhone. Is there a way around it? Thank you!
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Just put the phone into recovery mode by holding power and home until the phone reboots and shows the iTunes logo... then hit shift+click restore. If you are on t-mobile you shouldn't have upgraded to 2.0 in the first place since there is no unlock released yet 
Quote:
Originally Posted by steffienator
i followed every step my phone when back to normal but it has no reception & it says it needs repair i cannot make or recieve calls... help..
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If you're at the 1.1.4 firmware I suggest doing a DFU restore to 1.1.4. |
__________________
===========================================
DFU Restore Mode:
1. Boot phone 2. Hold Power + Home until the screen goes BLACK 3. Continue to hold home and let go of power 4. Plug into iTunes (screen should still be BLACK) 5. Within 20 seconds it should come up in recovery mode 6. Let go of Home and hit RESTORE in iTunes.
Firmware 2.0 DFU: 1. Power phone OFF. 2. Hold power + home for 10 seconds. 3. Let go of power and continue to hold home until iTunes finds the phone.
Last edited by Poseidon79; 07-16-2008 at 08:16 AM.
Reason: Automerged Doublepost
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The Following 3 Users Say Thank You to Poseidon79 For This Useful Post:
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07-16-2008, 11:04 AM
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Quote:
Originally Posted by Poseidon79
[color="DarkOrange"][b]
Just put the phone into recovery mode by holding power and home until the phone reboots and shows the iTunes logo... then hit shift+click restore. If you are on t-mobile you shouldn't have upgraded to 2.0 in the first place since there is no unlock released yet |
Thank you sir!  I will try that tonight, and I also found an At&t sim card...
I don't know what got into me in a first place, I still dont' understand why I did upgrade to 2.0... I was probably possesed by Steve Jobs |
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07-16-2008, 02:11 PM
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What's Jailbreak?
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Join Date: Feb 2008
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
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Works i hav an ipod touch and i jaust did the first part w/o the KiPhone
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07-16-2008, 04:08 PM
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Green Apple
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Thanks for the Guide Poseidon.
I think for Mac is the same procedure right?
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__________________
*PM if u like this sig and want 1.* αGoD HaS THe⌃oF My LiFe aND i DoN'T WaNNa⎋*Ⓘ♡Ⓜⓨⓘ Ⓟⓗⓞⓝⓔ |
07-16-2008, 05:00 PM
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What's Jailbreak?
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Join Date: Apr 2008
Posts: 18
Thanks: 20
Thanked 1 Time in 1 Post
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I follow your steps. Howver, when I get into step 6, at e. you said itunes will recognize iphone in restore mode. But I cannot get the restore mode and even I click the SHIFT on the key board, still no action. When I did wrong? HELP!!!!!!!!!!!!!!!!!!!
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07-16-2008, 05:54 PM
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all right, I followed everything religiously and it still didn't work. The last step 13, I put the phone into DFU mode and then restored in itunes - got a 1015 error.
When I jailbreak it, still no tmobile availalbe  what am I doing wrong? |
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