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November 11, 2007Simple iPhone Downgrade Instructions
Posted by greg
Need to downgrade your iPhone for whatever reason? Perhaps in preparation for a 1.1.2 jailbreak or SIM unlock. Here is a simple howto:
- Enter DFU mode: power + home for 10 seconds, then home for another 10 seconds. The phone will remain completely back. If not, repeat. iNdependence will also do this step.
- Select the desired firmware you’re downgrading to; those can be obtained below.
- In iTunes hold Option/ALT (on a Mac) or Shift (on Windows) and click “Restore.” Select the ipsw you downloaded.
- At the end of the process you will receive an error; this is normal.
- Get IPHUC below and issue the following commands:
- cmd setenv auto-boot true
- cmd saveenv
- cmd fsboot
Congratulations — you just downgraded!
Download:
iNdependence
iPhone Software Updates
iPHUC
- source: iphone-elite
How exactly do u issue commands on iphuc??
cmd setenv auto-boot true
cmd saveenv
cmd fsboot
i did a mistake and upgraded to 1.1.2 and it took me forever to get back to 1.1.1
How do you use the iphuc?? I download it from here it comes as a zip with 2 folders inside…then???
Can someone please tell me exactly what to do for step 5??? I am stuck there and have no idea what to do My email is extremist559@yahoo.com.
you on Windows or Mac? On a Mac, open a Terminal. Use Finder to locate “Terminal.app.” It’s under Applications. Change directory (cd) to wherever you have extracted the iphuc package. Connect your iPhone via USB and execute ./iphuc.
No I am on a windows computer. What do i have to do on windows????
Download this http://www.iphone-hacks.com/downloads/file/71
On 1.1.1 run okprep
Download 1.1.2 http://www.iphone-hacks.com/downloads/file/69 and click shift key + restore on iTunes. After restore is completed, run iphuc from the initial folder that you downloaded from link 1 (not the stand alone iphuc download that has only 2 folders) and run these commands:
“cmd setenv auto-boot true”
“cmd saveenv”
“cmd fsboot”
Go back on itunes and you are done. Let me know if it works.
http://www.iphone-hacks.com/downloads/file/71
The jailbreak.jar isn’t detecting my iPhone. Anyone else running into this problem?
Reboots and restarts aren’t helping.
can anyone tell me how to downgrade from 1.1.2. to 1.1.1. on a PC running WINDOWS VISTA? Independence and iPhuc are only for the Mac. Any help would be greatly appreciated, thanx all!
ok so i down grade to 1.1.1 and then i try to install the appsnapp when i finish it just send me back to the activation screen any help please!?!?!?!?!
i dunno about the iphuc, i did all the steps except when i take the iphuc step, i dunno where can i issue the iphuc command. Im using window. ty
Click start then click run. Type cmd and hit [Enter] then type the commands.
* setenv auto-boot true
* saveenv
* fsboot
Hit enter after every * to run that command. I have not done this yet (i get a iphone to try it on Monday) but cmd only works in the command prompt.
mr.alaska okay so i try and restore it and it is sappost to have the error??? then do i click ok or do i leave the error box open before i type the commands in the cmd box?? because i typed it in and the cmd box says it is not recognized as a internal or external command
I was able to complete the downgrade but could not get a signal from AT&T after reboot. So no activation possible. After restoring 1.1.2 signal was back phone working but no knew apps :(
U do not have an att signal, but U can connect wifi. Go on safari to jailbreakme.com, scroll to bottom and install installer…unlock fone again and now U will have installer.app on there. Go in there and install the oktoprep. There are instructions out there, try follow ‘em in detail, and it’l work
when i try to download those programs it says save file or find program to open i don’t know what to do i know i am an idiot but can someone tell me what to do
i cant downgrade can someone please help me
thank u so much worked perfectly just waiting for it to activate right now but got a confirmed software virsion of 1.1.1.
thank u soo much i was stuck on 1.1.2. for 2 days and this is the first helpful thing i found
I loaded 1.1.1 but cannot get out of the boot cycle. IPHUC reads
Tried rebooting.
Help!
sorry. IPHUC reads… Reason: image not found…Trace/BPT trap
i cant get this to work. i get up to step 5 and then i dont know what to do. please help. im using windows professional. thanks
what version of itunes do i need and where do i dl it?
hi i need help should i lanch the itunes first or the dfu
i try all the step but the black screen did`t appear
i did the downgrade and jailbreak and it erased my data
Is it possible to downgrade straight from version 1.1.2 to 1.0.2? I am familiar with the old steps, I can jailbreak once I have 1.0.2. Anyone please clarify. Thanks very much!
is this use to downgrade a NEW from BOX iphone version 1.1.2 ???
how do i download iphuc since i cant read it on a windows?
how do i download iphuc since i cant read it on a windows.i have a new from the box 112.can nybody tell me the steps by step to jailbreak and unlock it my email is waygo_go@yahoo.com
Hi, I tryed to downgrade my 16gb iphone now anytime I tryed to turn it on I have a black screen with a-lot-of info scroling and rebooting.
Any idea?
PleaseThanks