iPhone 3Gs links added.
There is a simple way to update to iOS 4.3.5 without basebande update with Pwnagetool 4.3.3 . easy unlock and jailbreak But its need you have 05.13.04 bb or below. Its a Tethered jailbreak for all device except iPad 2 . This iOS 4.3.5 custom firmware made with PwnageTool 4.3.3.

iOS 4.3.5 Custom Firmware without Baseband update [Tethered Jailbreak]
Requirements :

1 . Custom firmware for Device :

————————————————

Download custom firmware iPhone 4 /Activated ——> { FileSonic | Hotfile }

Download custom firmware iPhone 4 /Unactivated —> { FileSonic | Hotfile }

————————————————

Download custom firmware iPhone 3Gs /Activated ——> Run latest Redsn0w and don’t select anything just follow the orders.

Download custom firmware iPhone 3Gs  /Unactivated —> {FileSonic | Hotfile}

————————————————

2- iREB R4 (mac users Should use DFU tab Option in PwnageTool and follow instrument )

————————————————

Guide :

1. Connect your phone with PC and switch off

2. Open iREB R4 and follow olders

3-After that open itunes and press “Shift + Restore” and choose custom firmware 4.3.3 (Alt + Restore for Mac Users)

it will finish very quickly

4-Finally you can see your phones is with your old Baseband. now just you can install the ultrasn0w 1.2.3 from Cydia
————————————————

Booting in Tethered Mode (Mac Users)

This is tethered jailbreak so you have to run this small tetheredboot utility by following these steps.

  • Download and Extract the tethered boot .zip file . [Download tetheredboot.zip]
  • we need two files from the custom iOS 4.3.5 firmware namely:kernelcache.release.n90 and iBSS.n90ap.RELEASE.dfu. To do this, make a copy of your custom iOS 4.3.5 file that you created above, change the extension of this file from .ipsw to .zip, and then extract this .zip file.
    Now copy kernelcache.release.n90 file, and then copy iBSS.n90ap.RELEASE.dfufiles which are found under /Firmware/dfu/.
    Move all these files, and tetheredboot utility to a new folder named “tetheredboot” on the desktop.

Commands

Turn off your iOS device, and start Terminal on OS X and run the following commands:

sudo -s

enter your administrator password, then:

/Users/Tech/Downloads/tetheredboot/tetheredboot
/Users/Tech/Downloads/tetheredboot/iBSS.n90ap.RELEASE.dfu
/Users/Tech/Downloads/tetheredboot/kernelcache.release.n90

You need to replace “Tech” with the name of the directory on your PC.
If the command given above does not work you can always try ‘tetheredboot -i ibss -k kernel’ instead of ‘tetheredboot ibss kernel’:

/Users/Tech/Desktop/tetheredboot/tetheredboot –i
/Users/Tech/Desktop/tetheredboot/iBSS.n90ap.RELEASE.dfu -k
/Users/Tech/Desktop/tetheredboot/kernelcache.release.n90

You should now see some code running in the Terminal window, at some point, it will ask you to enter DFU mode. Now follow the following steps to enter DFU mode:

  • Hold Power and Home buttons for 10 seconds
  • Now release the Power button but continue holding the Home button for 10 more seconds

You device should now be in DFU mode
Now wait for your device to boot, Terminal at this point will be showing “Exiting libpois0n” message. After a short while, your device will be booted in a jailbroken tethered mode !

————————————————

Booting in Tethered Mode (Windows Users)

Since this is a tethered jailbreak, therefore whenever your iOS device loses power, it will go into the dreaded Apple logo boot screen loop. To get out of that, simply run Redsn0w 0.9.8b4, uncheck “Install Cydia” and instead check “Just boot tethered right now” option and hit “Next” with your iPhone, iPad or iPod touch connected to your PC (or Mac). And yes, you will have to do this every time when your device reboots or loses power.

WARNING: If you depend on UltraSn0w unlock, you must STAY AWAY from RedSn0w and stock iOS 4.3.5

You can follow iPhoneRock on Twitter or join our Facebook fan page to keep updated on the latest jailbreak and unlock news.

73 Responses to “iOS 4.3.5 Custom Firmware without Baseband update [Tethered Jailbreak]”

  1. Marco says:

    Please links no activated, iphone 3gs.

  2. Desisa says:

    Yes. Please links 3GS :(

  3. Gianni says:

    I wait on 3 gs link!!

  4. Cruzito says:

    need for 3gs old bootrom

  5. Gianni says:

    how long goes normaly on til the 3 gs are avaible?? Days or Weeks??

  6. Marcos says:

    is so easy to do

  7. ben111 says:

    Hi may I know what the different between the activated and unactivated version?

    Which one should I choose. Sorry I just brought my Iphone.

  8. Abert says:

    Hi, Any updates on the 3gs links?

  9. Ralphael says:

    so, i do have a choice, im actually on 4.3.3, should I upgrade to 4.3.5 (from itunes) and then get this or just wait while on 4.3.3 and then upgrade (but using the 4.3.5? (im unlocker by the way)

  10. Eugen says:

    Hello, i am stuck at the bash commands, only the first command works, the rest of them give me a Permission denied error (using mac)

  11. remo says:

    is the custom 3gs firmware out yet?

  12. Leo says:

    hi! i have a big problem! i’m stuck in emergency mode, with IOS 4.3.5 and i don’t have the original sim to activated the iphone, can i do somehting?

  13. Sid says:

    Thnx for sharing download links dude..!! :)

  14. neoTUGA says:

    Please can someone get me the custom firmware for the 3Gs… I’m Stuck on 4.1 and no way do upgrade to another ios! :(
    Help!!!!

  15. ras says:

    3gs link please :) thanks.

  16. mr.plshelpmyiphoneisstuck says:

    WHAAAAAAAAAATT IS HAPPENINNGGG WHY STILL NO 3GS UPDATEEEE OMGGGGG HURRY UP PLSSS

  17. neteco says:

    3gs link please

  18. emre says:

    3gs link please……

  19. beril says:

    3gs link pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

  20. Koam Ratha Mr. says:

    Dear..

    I meet a problem with Iphone 4..I brought it from USA and it is locked so I want to use other Sim Cards but it doesn’t work..So How can i unlock it?

    Then I need to jailbreak IPhone 4 to iOS 4.3.5..How can I do??

    Let’s explain me a detail for this issue.

  21. neoTUGA says:

    Just installed on 3Gs.. But phone did not get activated… Downloaded the activated version… :-/

    HELP?!

  22. trungvo says:

    Hi, Farbod.3f

    It seems that you forgot to embed Cydia Installer on your FW custom for 3Gs.

    After restoring, I cannot login Cydia, I was kicked out from Cydia right after touching its icon.

  23. ppol says:

    how long does it take to finish the restore on iphone 4?
    It has finished extracting and everything else through itunes and it is stuck now in the apple logo with a stuck spinning loading sign!Is this normal?

  24. ppol says:

    I’m trying the restore again.If it doesn’t work, I have a custom ipsw with 4.2.1 and I will try that.If nothing works,I think I’ve got a problem and I’ll ask again for your help.

    Thanks in advance

    • ppol says:

      Over and over again the same thing.It accepts only 4.3.5 custom restore and not earlier ones, and gets stuck in the same point all times.
      If I just upgrade to original 4.3.5, what’s the baseband that is going to be installed?will it work with a gevey sim card?

      Please help me out!

  25. joel says:

    could u start releasing custom firmware that is activated but nothing missing/added?

    many ppl have the problem of unable to activate their phones due to it being locked to a foreign carrier so i think if you did that also it would be popular.

    thanks for ur gd work

  26. islax says:

    how long does it take to finish the restore on iphone 4?
    It has finished extracting and everything else through itunes and it is stuck now in the apple logo with a stuck spinning loading sign!
    35 minutes left? :(

  27. islax says:

    how to undertsand latest redsn0w???

  28. islax says:

    ultrasnow 1.2.3 works with 4.3.5 BB 01.59.00?

  29. Esa says:

    I have an old bootrom 3GS, will it make mines untethered? Also, does this Custom IPSW have Cydia installed already?

  30. POPOY says:

    Hi 4.3.5 Custom Firmware iPhone 4 activated
    i have a problem 10-20 mins stuck on apple logo with loading screen “stuck”

  31. Jaap says:

    Quite interesting though, i got an 3gs old boot restored with this unactivated custom ipsw, but no sign of a tethered boot. well, the better it is. thanks for the guide!

  32. islax says:

    I have iPhone 4 4.3.5 with BB 01.59.00 but on my iPhone don’t work WI-FI.. so i tried install ultrasnow 1.2.3 with iFunbox but on cydia i have ” ? ” on ultrasnow!! What can i do?

  33. islax says:

    Can i downgrade my iPhone to 4.3.3 without BB update? And how?

  34. [...] wykorzystania oryginalnej karty sim? Znalazłem coś takiego ale nie wiem jak to będzie działało iOS 4.3.5 Custom Firmware without Baseband update [Tethered Jailbreak]. Próbował ktoś? Można tego używać z gevey? Komputer: MBP 7.1 13,3" MBP 7.1 [...]

  35. stu says:

    hello im a little stuck, i have an iphone 3gs ios 4.3.5 i recently tried to jailbreak and upgrade the baseband to the ipad version from 05.16.02 so i could unlock the carrier. i used an old version of redsnow with the option to tick the box for updating to ipad baseband and instal cydia, redsnow kept crashing with both boxes ticked so i unticked install cydia and left ipad update ticked with the intention to go back and install cydia after. so after reboot phone went into recovery mode and now is stuck in the 10XX recovery loop which i tried to get out of with latest tinyumbrella & recboot but its not working ? im stuck in recovery mode. i can get the phone into DFU mode and tried the latest redsnow to jailbreak again but crashes on the downloading data screen ? i cant even use itunes to do a stock recovery because of the ipad baseband so the only thing i havent tried is pointing itunes to a custom 4.3.5 ipsw which i cant find will it work ? Thanks

    • stu says:

      sorted it ! i needed to go into pwnd DFU with redsnow, then in itunes ctrl restore and point to custom 4.3.5 ipsw which i downloaded.

      • EJ says:

        @ stu
        I have this same issue and i am lost..
        version 4.3.5 (8L1)
        Firmware : 05.16.02
        same issue as above post

        not clear on this process:sorted it ! i needed to go into pwnd DFU with redsnow, then in itunes ctrl restore and point to custom 4.3.5 ipsw which i downloaded.
        please help.

  36. reza says:

    viewing password of a mail account in iphone4 os4.3.5 non-jailbreak

    Hi
    Hope you are well and I thanks for your good free service.
    I have a problem with my iphone, and i searched everywhere in web for finding a solution but i think here is not anything in public. I thought maybe you have a manual method in hand that I can solve my dramatic problem.

    I have an iphone 4 with OS 4.3.5 which is the original one. It is not jailbroken.
    I have the security code of my iphone which is for opening and accessing to it. I can access and backup the iphone by itunes too.

    Beside I have a computer with an official email address. This coputer is highly protected by password which is the same as the email account.
    I had configured the email access on the iphone too.

    It is about two weeks that I have forgotten this password (computer hard encryption password = official email password).
    I can’t access to the data of the computer which are much important for me as it is secured by this password. I can’t access my email via a computer as I don’t have the mail password (it is the same as the computer one). I can ask for changing the mail address password, but I will lost the computer information yet. So I should find the current password in a way.

    The last solution that I have, is finding this password which is configured in MAIL ACCOUNT SETTINGS part of m iphone 4 os 4.3.5 non-jailbroken. (i have the access code of iphone in 4 numbers)
    Unfortunately the iphone is not jailbroken that I can read it in clear. I searched everywhere to find a solution; but there is not.

    I fear if I jailbreak the iphone in this time to let me reading the password; but during the jailbreak passwords be cleared from iphone memory.

    Will you (please) guide me if you have any solution that let me access and view the mail account password in the iphone or in the backup of the iphone ?
    any solution by application or manual ?

    anything that I can try my chance. I’m totally blocked. I hope you can help me.
    With thanks for you help in advance; I hope that I can get your guide.

    Yours Sincerely,

  37. captain says:

    hey admin please help me … i have 3gs model with gevey sim and its not official from my country … can i update my iphone 4.3.3 to 4.3.5 with no problems …?? if yes then what steps do i have to take ?? please reply me asap !!! thanks

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  40. [...] zawiesił się przy restarcie. Próbowałem ściągnąć jakieś cf – znalazłem jakieś tutaj ( iOS 4.3.5 Custom Firmware without Baseband update [Tethered Jailbreak] | iPhoneRock ). Robie tak : – iREB-r4 wchodze w DFU – W iTunes dostaje błąd jak w temacie (3194) – [...]

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