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Updated Redsn0w iPhone3GS 6.15 baeband downgrade released 4th July Redsn0w direct download links iPhone 4GS 6.15 updated redsn0w baseband downgrade download.

 

The iPhone Dev-Team has just announced Redsn0w 0.9.14b2 which is an update to the existing version of redsn0w that allows users to downgrade the iPad 6.15 baseband. Following the issues with various iPhone3GS users, musclenerd has looked into it and finally released an update to the Redsn0w. The new Redsn0w should fix all downgrade issues and will also help users with broken iPhone buttons to enter DFU mode without having to follow the button instructions.

The iPhone Dev-Team has also provided the revised steps to successfully downgrade iPhone3GS 6.15 baseband. It goes like this:

Connect your iPhone in normal mode, then click “Jailbreak” after redsn0w identifies its model and BB version (you needn’t pre-select the IPSW anymore). Choose the “Downgrade from iPad baseband” option (you needn’t worry about de-selecting Cydia anymore). Do a controlled “slide to power off” shutdown of your phone and proceed through the normal DFU ramdisk steps. IMP : iPhone3GS which were manufactured in early 2011 are not compatible. They have a NOR chip that cannot be upgraded to 6.15 and trying to flash the iPad baseband will brick your device.
DFU IPSW
This version of Redsn0w is much relieving for those iPhone users who have their buttons broken and cannot enter the DFU mode following the general instructions. To enter DFU mode on a broken iPhone: Launch Redsn0w Go to   Extras->Even More>DFU IPSW  Select the ipsw that is currently been signed for your device or for which you have shsh blobs saved. Redsn0w will create a ENTER_DFU IPSW that you can install with iTunes and once the installation is complete you'll enter into DFU mode. Redsn0w 0.9.14b2 Download Links

redsn0w 0.9.14b2 (OS X)
redsn0w 0.9.14b2 (Windows — run in Administrator Mode)