Как да понижим версията на iPhone 3GS като използваме SHSH в Cydia[Windows]

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Posted February 7, 2010 at 1:00am by iClarified

Това са инструкциите как да направим възможно понижаването на версията на софтуера на iPhone 3GS като използваме запазената сигнатура SHSH в Cydia. (под Windows)

Само за потребители които са били направили джейлбреак на предна версия и са си запазили SHSH сигнатурата в сървъра на Саурик през Сидиа. Повече може да прочетете тук

Първа стъпка
С десен бутон на мишката щракнете върху Notepad който се намира в Start:Programs:Accessories.

Как да понижим версията на iPhone 3GS като използваме SHSH в Cydia[Windows]

Втора стъпка
Изберете "Run as administrator" (Стартирай като администратор) от менщто което ви се е появило.

Трета стъпка
Ще се появи прозорец който ви пита дали искате да дадете достъп до системата на Notepad. Изберете бутона "Yes" (Да).

Четвърта стъпка
Когато се стартира Notepad изберете Open... (Отвори) от менюто File (Файл).

Пета стъпка
От падащото меню изберете да виждате всички файлове "view all files" и навигирайте до C:WindowsSystem32driversetc и изберете файла host. Натиснете бутона Open (Отвори).

Шеста стъпка
Добавете следния ред в края на файла без да редактирате нищо друго в него:
74.208.10.249 gs.apple.com

Седма стъпка
Изберете Save (Запази) от менюто File (Файл) за да запазите промените.

Вече сте готови да започнете понижаването / инсталирането на по-стара от сегашната ви версия на софтуера на вашия iPhone 3GS. Вкарайте телефона в DFU режим и задръжте бутона на клавиатурата Shift натиснат докато натиснете Restore бутона в iTunes, изберете файла с вашия firmware който искате да инсталирате. Игнорирайте грешки 1011 или 1013. Ако ви даде грешка 1015 повторете процеса на Restore два пъти и след това направете jailbreak със съответната програма за версията която инсталирате (redsn0w 0.8 за 3.0/3.0.1; blackra1n за 3.1/3.1.2).

*Благодарности на Saurik че направи този процес възможен.

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Walle - September 25, 2010 at 2:28am

I got stuck in DFU mode (displays connect to iTunes or screen is black) after downgrading from 4.1 to 3.1.2 and got error message 1015. It was a little bit unclear in this article, but you can run your jailbreak tool (e.g. RedSn0w) even if you're stuck in DFU mode.

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Petya - September 14, 2010 at 11:01pm

Hi does anyone get an error(13)? I had an 3.0.1 running and then downgraded..or rather upgraded 3.1.3 - and that worked but when i tried to install 4.0 or 4.0.1 it's says erro(13)? Thanks in advance!

Cooler - August 20, 2010 at 8:56pm

What verison of itune am I surpport to have for this to work because i did as you say and it still gives me the same error plz helppppp

orange - July 15, 2010 at 9:51am

Tried to downgrade my 3GS on 3.1.3 with Spirit JB to 3.1.2 using my Cydia SHSH blobs to be able to re-jb in order to be able to jb on iOS4, but the restore fails for some odd reason :-/ It runs for a good while after I select the iPhone2,1_3.1.2_7D11_Restore.ipsw, then stops with a message that says: "The iPhone "iPhone" could not be restored. An unknown error occurred (1015)". Anyone with an idea? Many thanks!

rajuneela - July 14, 2010 at 9:51am

hi, I try to save this Host file it gives an error " Can not create C:/document and setting\system32\drivers\etc\hosts file. Make sure that the path and file name is correct".Please explain me how to save this file . I am on Vista home premium 64bit

Fidler - July 22, 2010 at 3:50am

Rightclick on the hosts file and make sure "read-only" is NOT checked.

rajuneela62 - July 14, 2010 at 9:05am

hi, I try to delete all data in my iphone 3gs. I phone is hanged and came to "Apple logo". the battery is low and it will start charging (with red- battery ) after few miinute again pops up apple logo, I am able to got recovery mode. Below are the detail of my phone: 3GS, 3.0.1, 32GB, jailbreaked and unloacked. I dont have SHSH. can I upgrade to 3.1.3. Please advice me, i don't mind to upgrade to 3.1.3,I want my phone back!! I tried I recovery also.. no use. thanks in advance.

Shamanwee - July 2, 2010 at 1:00pm

All i get is error 3194

awais - September 23, 2010 at 1:01am

im having this very same issue.. i have iphone 3gs as well as iphone 4.. both are on version 4.0.2 im well aware of the hosts file and ive done it properly, yet im having this error 3194 anyone with the solution?? please help

stuart - June 24, 2010 at 9:27pm

hi i had a previous jailbroken version of 3.1.3 with spirit , i did back up on cydia . lastnight i jumped the gun and updated to 4.0 with itunes , im trying to follow your step by step but iv gotten the 1015 error twice and then tryed to re jailbreak like it says but im stuck in DFU mode how do i re jail break

johnnymatics - April 17, 2010 at 7:58pm

Hello Everyone! I'm trying 2 downgrade my 3GS from 3.1.3 to 3.1.2...but its stuck at "verifying iphone restore with apple"....ny ideas on how to overcome that? I would appreciate! Thanks

boblp - April 8, 2010 at 11:49pm

i cant save the edited hosts file.. it keeps converted to txt format.. and ended up with two hosts file.. the original (hosts) and the edited (hosts.txt). what should i do? thanks in advance

boblp - April 10, 2010 at 1:44am

nvm.. just remove the .txt n it should be fine..

Bogus - March 8, 2010 at 10:26am

This works perfectly!! I just formated my iphone 3GS 3.1.2 jailbreak and unlock perfectly!!! Thank you

Baz reed - March 8, 2010 at 11:04am

Did you just follow the steps posted here? I've tried it a few times & keep getting a message saying the device isn't eligible for requested build, running out of options now, stuck on 3.1.3

VifferKid - March 10, 2010 at 8:27pm

Having the exact same problem! Is this most likely because my device was never registered with cydya and doenst have an SHSH ECID? any help is appreciated.

The Luong - March 6, 2010 at 10:40pm

and btw, my iPhone 3G is upgraded to the latest 3.1.3 - does that mean that if I want to downgrade it to 3.1.2 or unlock/jailbreak at 3.1.3, I need to also downgrade the baseband? Thanks!~

The Luong - March 6, 2010 at 10:36pm

I've done all 7 steps and have had my iPhone 3G (locked AT&T, 3.1.3 version, never been unlocked/jailbroken) in DFU mode. Though iTunes does not allow me to downgrade it back to 3.1.2. I don't have a Mac so I can't use the Pwnage Tool for 3.1.3. Any clue as to what else I should do to downgrade it? Thanks a bunch!

iTach 4G - February 22, 2010 at 3:11pm

i don't know if i saved my shsh file to cydia..? (dont know how to do and how to check it, im noob) but, i try downgrading my iphone 3gs 3.1.3 back to 3.1.2.. it downgrades succesfully! but its still in 05.12.07 baseband. my question is, can i unlock it with the new firmware?? -i already jailbreak it using blackra1n rc3, but im not yet trying to install cydia and unlock. after downgrading.. **iPhone 3G[S] 3.1.2 - Firmware 05.12.07 +blackra1n RC3 @ Art - the process is still the same in windows7 64, but rmember when opening notepad to "Run as Administrator"

shakeel taiyab - March 5, 2010 at 7:59pm

the way you tell if cydia has your hash files is when you sign on to cydia on the top it will say this device has SHSH on file for fimware(s) blah blah blah

Art - February 20, 2010 at 3:38pm

Is the it the same process for Win 7 64 bit? Does any one know? Thanks.

Baz Reed - February 19, 2010 at 4:42pm

I now have the correct firmware file, I now get the message "iPhone cannot be restored as it is not eligible for requested build", think I'm stuck on 3.1.3 for now as I've tried a few times & this always happens

DonWan - February 20, 2010 at 8:51am

Read steps 4 5 6 and 7.. If u edit the right file and append the right thing, it will not check with apple to see if that's the right firmware.. It will insted check a fake server that will allow u to use the 3.1.2 firmware

Shamanwee - February 22, 2010 at 1:09pm

I had the same issue with Baz Reed....i follow the same thing as step 4 5 6 and 7 but still get the message "iPhone cannot be restored as it is not eligible for requested build"........

DonWan - February 19, 2010 at 9:22am

All those having problems with the firmware file is because it is in .zip format. U must rename the file with .ipsw as the extension.... (so its not a .zip)

alasdair - February 18, 2010 at 12:45pm

have followed all of the steps, including the download to my desktop of the 3.1.2 restore, but when i try and shift restore from i-tunes i can see the folder etc but get a message no items match your search, can anyone help me finnish this please ?

baz reed - February 18, 2010 at 12:38pm

i followed the tutorial for downgrading my 3gs as i had a problem with cydia. Everytime i hold shift then restore the firmware wont open in the folder i saved it in. It doesnt look anything like the firmware on the video tutorial (a cube shape) its just a folder with a zip on. Im using windows vista, any advice would be great thanks

DOnWan - February 15, 2010 at 11:20pm

WORKED !!!!! This is how i did it.. Followed directons 100% got error 1015 at the end.. ran it again, got error 1015 at the end again "phone was still in recovery mode", then i went strait into jailbreaking with blackrain. WOrked fine other than at the end of jailbreaking it froze with buddies picture on the screen, i rebooted phone, connected to itunes, it activated and was jailbroken with cydia in the springboard. This was done on a iphone 3gs(old bootrom). accedentley upgraded to 3.1.3 through itunes. manged to downgrade to 3.1.2 and rejailbreak

maggie d - March 15, 2010 at 9:23pm

what is error 1015? after i restored with the ipsw-file, i got: "the iphone 'iphone' cannot be restored at this time because the iphone software update server could not be contacted or is temporarily unavailable." what did you do after you ran it again? thanks

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