Page 1 of 3 123 LastLast
Results 1 to 10 of 21
Discuss 3gs wont boot after RESET at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; i just got an iphone 3gs from my relative,before giving it to me he did ...
  1. #1
    Rookie Array

    Join Date
    Dec 2010
    Posts
    11
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    0

    Default 3gs wont boot after RESET

    i just got an iphone 3gs from my relative,before giving it to me he did Reset through the phone to delete all his previous data that was present on it...it was on 4.0.1 os jailbroken and unlocked...after reset when it asked to reboot it doesnt,only an apple logo comes and i can enter into dfu mode by pressing home and power button for ten seconds...

    i dont want to restore the phone to the latest firmware by apple thorugh itunes,is there anyway i can restore to the same 4.0.1 firmare or any other unlockable firmware.

    -it has the newer bootrom
    -shsh blobs for 4.0.1 is not saved
    -dunno if shsh blobs for 3.1.2 n 3.1.3 are saved (how to check them)
    -dont want to update baseband to 6.5 after updating to 4.2.1


    i heard snowbreeze 2.2 will be coming out soon with baseband preservation,will i be able to use that so that i can update to 4.2.1 while preserving my baseband..

    plz suggest all possible options!!!



  2. #2
    Super Moderator Array n1ckn4m3's Avatar

    Join Date
    Mar 2009
    Location
    USA
    Posts
    2,717
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    145

    Default

    Quote Originally Posted by sincross911 View Post
    -shsh blobs for 4.0.1 is not saved
    -dunno if shsh blobs for 3.1.2 n 3.1.3 are saved (how to check them)
    -dont want to update baseband to 6.5 after updating to 4.2.1


    i heard snowbreeze 2.2 will be coming out soon with baseband preservation,will i be able to use that so that i can update to 4.2.1 while preserving my baseband..
    1) Without SHSH on file for 4.x, you can only go to 4.2.1 at present. No workaround exists for this on the 3GS, nor is one likely to ever exist.
    2) You can use TinyUmbrella to determine what SHSH you have on file by pulling from Cydia.
    3) Agreed, you do not want to upgrade the baseband.
    4) We do not support sn0wbreeze or any of the tools by that team -- if you're curious why, do a search, you'll see many posts about it. Use PwnageTool if you want to have a safe, secure, and reliable jailbreak. If you don't have a Mac, spend the $129 and get the OS legally and put it on a VM for your hackintosh uses.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

    Did we solve your problem? Got a dollar or two spare? Please Donate!


  3. #3
    Rookie Array

    Join Date
    Dec 2010
    Posts
    11
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    0

    Default

    Quote Originally Posted by n1ckn4m3 View Post
    Use PwnageTool if you want to have a safe, secure, and reliable jailbreak. If you don't have a Mac, spend the $129 and get the OS legally and put it on a VM for your hackintosh uses.
    is there a currently availible pwnage tool that will allow me to upgrade to 4.2.1 without baseband upgrade or is it expected sometime soon ?.....thks for the help

  4. #4
    Super Moderator Array n1ckn4m3's Avatar

    Join Date
    Mar 2009
    Location
    USA
    Posts
    2,717
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    145

    Default

    Quote Originally Posted by sincross911 View Post
    is there a currently availible pwnage tool that will allow me to upgrade to 4.2.1 without baseband upgrade or is it expected sometime soon ?.....thks for the help
    There are some unofficial bundles out that will allow this, but at present, I am not finding a legit release from the dev-team that does this. A quick google search will point you to several reputable sites that have tutorials and guides up with links to unofficial bundles, but I won't link any specifically as all it takes is one mislabeled bundle and your baseband gets upgraded and you can't go back.

    You may just want to hold out for a week or so, I'm to understand there should be some new software releases that incorporate the untether for the 4.2.1 jailbreak for devices that an untether has been created for.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

    Did we solve your problem? Got a dollar or two spare? Please Donate!


  5. #5
    Rookie Array

    Join Date
    Dec 2010
    Posts
    11
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    0

    Default

    Quote Originally Posted by n1ckn4m3 View Post
    You may just want to hold out for a week or so, I'm to understand there should be some new software releases that incorporate the untether for the 4.2.1 jailbreak for devices that an untether has been created for.
    i dont mind waiting for a month as long as the i get a baseband preserving .ipsw and an unthrered jailbreak for firmware 4.2.1....

    so i'm guessing once the official pwnage tool is out using which i can create a custom .ipsw which will preserve the baseband of my 3gs, i can just use 'shift + restore' in itunes to upgrade to my 'custom cooked 4.2.1 .ipsw' .

    i'm a little confused about this because i thought that apple is currently signing only the 4.2.1 firmware therefore i can only upgrade to this 'official' 4.2.1 firmware and not to a 'custom cooked 4.2.1 firmware'... correct me if im wrong...


    and thanks for all the help!..+rep...
    Last edited by sincross911; 12-30-2010 at 07:36 PM.


  6. #6
    Super Moderator Array n1ckn4m3's Avatar

    Join Date
    Mar 2009
    Location
    USA
    Posts
    2,717
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    145

    Default

    It really depends. The 3GS can be pwned at the low level so that you can restore custom firmwares via recovery mode, which bypass the SHSH check. This requires you to be at a lower software revision and capable of jailbreaking the device with a non-userland (read: not Spirit or Jailbreakme.com) jailbreak that actually pwns the LLB. If your phone is pwned like that, you can restore without worrying about SHSH, allowing you to restore to versions that Apple isn't signing.

    There's more information around about it, but ultimately that's really what's going on -- either you're pwned and you can bypass the SHSH check, or you're not and you hit SHSH requirements on iOS 4.0+.

    I don't know how/if PwnageTool works around the SHSH requirements -- I know that the SHSH check on the 3G/S is in software, so it's very possible they just remove the check from the bundle before outputting the .ipsw, but I'm afraid I just don't know 100% to state that is how it works.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

    Did we solve your problem? Got a dollar or two spare? Please Donate!


  7. #7
    Rookie Array

    Join Date
    Dec 2010
    Posts
    11
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    0

    Default

    im kinda new to the iphone so its a lil bit difficult to understand...lemme get this straight

    -Jailbreaking means modifying the firmware to remove the chroot jail
    -pwning means modifying iBoot to remove the signature checks that prevent booting a modified firmware.
    right?

    since my new bootrom 3gs was jailbroken it does not necessarily mean that it was pwned,because if it was i would have then been able to restore it back to 4.0.1 firware without the annoying shsh checks

    i read somewhere that the new bootrom 3gs cannot be pwned ,so in short im screwed arent i as i wont be able to update to a' custom cooked 4.2.1 firmware'?

  8. #8
    Super Moderator Array n1ckn4m3's Avatar

    Join Date
    Mar 2009
    Location
    USA
    Posts
    2,717
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    145

    Default

    1) Mostly correct -- jailbreaking is the act of completing steps to allow the phone to run applications that are not signed by Apple. A common side-effect of this is the addition of the afc2 service which breaks the chroot jail and allows access to the root of the phone, however, jailbreaking in and of itself does not require this and can be completed without this. The blackra1n and limera1n jailbreaks historically have not added this afc2 service, though limera1n added it in one of the later releases of the most recent tool.
    2) Correct. Pwning modifies the LLB to remove the signature checks from the actual bootloader itself at the low level.
    3) Correct. Just because your phone is jailbroken does not mean it is pwned -- Spirit and Jailbreakme.com do not pwn the devices but still allow for userland jailbreaking.
    4) Correct, new bootrom 3GS devices cannot be pwned at present due to the lack of a bootrom level exploit for the device. I really thought that this had been overcome, but doing a quick search leads me to believe it has not yet been pwned fully for the new bootrom devices. If any other mods want to chime in here with something I'm missing, please do.

    As such, you're correct that you're out of luck, but I still believe there's a method I'm overlooking which will allow you to get to 4.2.1 without upgrading the baseband, but as an owner of the old bootrom 3GS, I could just be forgetting -- it's been a while since I got my iPhone 4 and things change so significantly between models, sometimes it all runs together.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

    Did we solve your problem? Got a dollar or two spare? Please Donate!


  9. #9
    Super Moderator Array Olethros's Avatar

    Join Date
    Sep 2007
    Location
    Norway
    Posts
    8,360
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    439

    Default

    Quote Originally Posted by n1ckn4m3 View Post
    afc2 service which breaks the chroot jail
    This isn't entirely correct. Breaking the chroot jail is really an optional step (which is why geohot left it out of blackra1n)

    The real jailbreak is modifying /etc/fstab to mount the root partition and read/write and patching the kernel to allow unsigned code execution.

    Quote Originally Posted by n1ckn4m3 View Post
    Spirit and Jailbreakme.com do not pwn the devices but still allow for userland jailbreaking.
    Pwnagetool 4.1 and 4.1.2 don't actually pwn the 3GS or newer devices either - the framework for the jailbreak is installed via the limera1n (USB based DFU mode exploit) and then activated via the following userland exploit Packet Filter Kernel Exploit - The iPhone Wiki

    This is why the custom IPSW for 4.1 works on both old and new bootrom 3GS and also on newer devices like the iPhone 4 and iPad.

    Pwnagetool 4.0.1 and lower actually do pwn the old bootrom 3GS.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

    -
    Did we solve your problem? Got a dollar or two spare ? Donate!

  10. #10
    Rookie Array

    Join Date
    Dec 2010
    Posts
    11
    Post Thanks / Like
    Downloads
    0
    Uploads
    0
    Rep Power
    0

    Default

    Quote Originally Posted by Olethros View Post

    This is why the custom IPSW for 4.1 works on both old and new bootrom 3GS and also on newer devices like the iPhone 4 and iPad.

    so this means if i can get a custom ipsw for 4.1 using pwnage tool will i be able to restore my 3gs to this custom ipsw??


 

 
Page 1 of 3 123 LastLast

Similar Threads

  1. Iphone wont boot, itunes wont restore
    By sarcastro in forum iPhone 3G
    Replies: 27
    Last Post: 11-18-2011, 09:45 PM
  2. jailbroken 3gs wont boot after master reset
    By fersoz in forum iPhone 3GS
    Replies: 1
    Last Post: 07-22-2010, 04:07 PM
  3. iphone reset settings now wont start??
    By johnnny in forum General
    Replies: 1
    Last Post: 03-05-2010, 12:28 PM
  4. [Problem]iPhone wont boot,wont restore
    By zanzalabs in forum iPhone "2G" (Rev. 1)
    Replies: 8
    Last Post: 03-31-2008, 12:25 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Powered by vBulletin®
Copyright © 2014 vBulletin Solutions, Inc. All rights reserved.
Search Engine Friendly URLs by vBSEO
(c) 2006-2012 Hackint0sh.org
All times are GMT +2. The time now is 08:01 PM.
twitter, follow us!