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Download iOS 4.3.4 for iPhone 4/3GS, iPad 2/1, iPod Touch 4G/3G [Direct Links]

As everyone has been expecting, Apple has just now released its latest update for the iOS 4, the iOS 4.3.4 which is now on iTunes. Not much is known about this particular update but it is expected to have minor fixes for better performance and stability. But one of the biggest reason for this update was most likely to patch the PDF exploit found in Mobile Safari, which was the same exploit used by Comex's Jailbreak 3.0 tool.

iOS 4.3.4 IPSW
And just like that, it has been confirmed that iOS 4.3.4 has permanently shut the door on untethered jailbreaks using the extremely popular Jailbreak 3.0. Read the complete release notes of iOS 4.3.4 from Apple here.

Impact: Viewing a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution

Description: A buffer overflow exists in FreeType's handling of TrueType fonts. Viewing a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.

In case you haven't been paying attention, Jailbreak 3.0 is a jailbreaking tool which as mentioned, uses a PDF exploit in Safari which can easily jailbreak an iOS device by simply downloading a file. Since this exploit has the potential to be used to distribute malicious content, this has been patched by Comex by releasing PDF Patcher 2 fix in Cydia, so ironically, before this iOS firmware update, the only way to protect your device is by jailbreaking it.

While this iOS firmware release was expected, the timing rather feels rushed or forced, which is understandable in the part of Apple. Those who have not jailbroken their iDevice have no way of protecting themselves from the security exploit. It is a clear threat to Apple's security that it needs to be addressed right away.

It should be a no brainer that all those who have jailbroken their device (especially iPad 2 owners) using Jailbreak 3.0 should stay away from this firmware update. Why? Because it will most likely disable your jailbreak. Seeing as there are no major changes to this new update except for patching a security hole, then you are better off downloading and installing PDF Patcher 2 over at Cydia if you haven't already. Or you can just wait for the next major version of the iOS, the iOS 5 which is coming this fall. If you haven't jailbroken your device, then by all means update to iOS 4.3.4 as soon as possible.

After connecting your device to the computer and launching iTunes, it should prompt you about the newest firmware version update for your device. If not, then click on your device at the left side panel and click "Check for Updates", then click "Download and Install". But if you want to install manually, we have provided direct download links below, courtesy of Apple.

iOS 4.3.4 IPSW Direct Download Links:

After downloading the respective firmware for your device, just launch iTunes and click on your device on the left side panel. Now while pressing the SHIFT key (Windows) or Alt key (Mac) click on Restore to browse for the iOS 4.3.4 IPSW.

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  •  
    Yuye5 years, 2 months ago

    If I am already a 4.3.4 Untethered client, and my phone somehow rebooted by itself due to accident, do I use my original 4.3.4 software as usual or do I have to download the new link you’ve provided in order to be able to not lose my applications/jailbreak/mods and everything? Any idea if it’d make my mods and stuffs gone if I reboot it now using my own software?

    •  
      Pramod5 years, 2 months ago

      4.3.4 does not have an untethered JB. So if you were jailbroken already & now you have rebooted, you need to use Redsn0w each time to boot it back up using the Just Boot Tethered Now option in Redsn0w. It will not remove any of your existing settings / mods / JB tweaks. Always point Redsn0w to the same stock 4.3.4 IPSW. You need not re-download everytime.

  •  
    Help!5 years, 4 months ago

    Thanks for the help dude, you answer fast! :D

  •  
    Help!5 years, 4 months ago

    I downloaded the ipsw file 4.3.4 in this site but I ended up downloadind the zip file, how do i restore my ipod touch 4 with these? BTW, im using Windows 7. Pls. reply thanks.

  •  
    anonymous5 years, 4 months ago

    I jailbroke my iphone 4 for the first time using JailbreakMe 3.0. My phone seems a little less stable – balky and video stutters where it never did before. Is it safe to restore (unjailbreak) on iTunes (Mac) now that 4.3.4 is out? I’ve searched Google and haven’t found any straight answers. BTW, none of my other, non-jailbroken devices would upgrade to 4.3.4 until I reset the security settings with the Terminal App. Is that going to be an issue with a restore?

    •  
      Pramod5 years, 4 months ago

      No it’ll not. If you have the SHSH saved for your balky iP4, you can go ahead and very well restore to the iOS 4.3.3 because 4.3.4 is currently does not have an untethered JB. And for you other iPhones as well, put it into a DFU/Recovery mode and hit it up with the restore. That should work just fine provided you have the SHSH files saved for them. :D