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Download iOS 4.3.1 Untethered Custom IPSW for iPhone, iPod Touch & iPad

Here is a list of iOS 4.3.1 custom IPSWs which you can download and restore through iTunes to get fully untethered iOS 4.3.1 jailbreak on your iDevice. Before restoring these custom IPSWs, you must put your iDevice into Pwned DFU Mode. To do that follow this guide if you are on Windows and this guide if you are on Mac. Once your iDevice is in Pwned DFU Mode, follow this guide to restore iOS 4.3.1 custom IPSW through iTunes.

iOS 4.3.1 Custom IPSW
NOTE: As long as Apple do not release iOS 4.3.2 or iOS 4.4, you can restore these custom IPSWs without having your SHSH blobs saved on Cydia server. When a new firmware has been released, you will need to have iOS 4.3.1 SHSH blobs to restore these custom IPSWs. You can use TinyUmbrella to get your SHSH blobs from Cydia by using this guide. To save your iOS 4.3.1 SHSH blobs now, just use TinyUmbrella v4.30.05 or above

iOS 4.3.1 Custom IPSW for iPhone 4:

iPhone 4
Activated: Download from FileSonic
Unactivated: Download from FileSonic

iOS 4.3.1 Custom IPSW for iPhone 3GS:

iPhone 3GS
Activated: Download from FileSonic
Unactivated: Download from FileSonic

iOS 4.3.1 Custom IPSW for iPod Touch 4G:

iPod Touch 4G
Download from FileSonic

iOS 4.3.1 Custom IPSW for iPod Touch 3G:

iPod Touch 3G
Download from FileSonic

iOS 4.3.1 Custom IPSW for iPad:

iPad
Download from FileSonic

During the restore process, you may encounter some minor restore errors which you can solve by using the following guidelines:

Note that after restoring the custom IPSW for your iPhone, Ultrasn0w will not work on your iPhone. It is because Ultrasn0w for iOS 4.3.1 is broken due to Apple ASLR security feature. According to MuscleNerd, Ultrasn0w fix for iOS 4.3.1 will be available to all iOS 4.3.1 users as a Cydia package update within next 24 hours. Mean while, it is recommended not to install Ultrasn0w 1.2 as it will not unlock your iPhone in any case. I will be updating this post as soon as Ultrasn0w fix for iOS 4.3.1 will be available in Cydia for iPhone 4 and iPhone 3GS users. [via Mahmood1]

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  •  
    renelhs5 years, 5 months ago

    Hello, thanks for reply, but the question is, i do not have the internet to use sn0wbreeze 2.5.1 with the option to upgrade to ipad baseband, for that i’m asking the link of custom 4.3.1 bb 06.15 for 3gs new boot room and the old boot room to.

    Thanks again.

  •  
    renelhs5 years, 5 months ago

    This is a custom firmware with bb 06.15? If is not, some one cant give me the link to download 3gs new and old boot room 4.3.1 bb 06.15 custom firmware, because sn0wbreeze 2.5.1 with bb update option enabled don’t work for me.

    Thanks!!! I need that very much.

    PD: Sorry my english, i speak spanish :)

    •  
      Wolverine5 years, 5 months ago

      No renelhs, these custom IPSWs will not upgrade your baseband to iPad baseband. You need to create them yourself by using Sn0wbreeze 2.5.1 http://bit.ly/hce8l8