Download RedSn0w 0.9.14b1 (RedSnow) to Downgrade Baseband on iPhone 3GS or 3G

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RedSn0w 0.9.14b1 Review

RedSn0w 0.9.14b1: The iPhone Dev-Team has released RedSn0w 0.9.14b1 for Windows and Mac OS X. RedSn0w 0.9.14b1 lets you to downgrade baseband from iPad 06.15.00 baseband to 05.13.04 on your iPhone 3GS or iPhone 3G.

Usually you would have the 06.15.00 baseband in case you unlock with ultrasn0w however updated your iPhone baseband previous 05.13.04. Using RedSn0w v0.9.14b1, it’s easy to downgrade particularly from 06.15.00 to 05.13.04 (even though you never got 05.13.04 on that device earlier).

RedSn0w 0.9.14b1 offers you the best of both worlds: ultrasn0w compatibility and a typical iPhone baseband along with complete GPS as well as the capability to utilize stock IPSWs again.

Steps to Downgrade Baseband from 06.15.00 to 05.13.04 on iPhone 3GS/3G

Step 1:

Make use of the “Extras->Select IPSW” option in redsn0w to inform it which firmware version you’ve installed (new-bootrom iPhone 3GS users can generally by pass this step however it does not harm for them to get it done as well).

Step 2:

Turn your iPhone off (“slide to power off”). This step is essential to prevent support issues if the ramdisk is running!

Step 3:

Return to the 1st screen and simply press “Jailbreak”. Check the “Downgrade from iPad baseband” box, disable Cydia in case you already have it installed, and then click Next move through the standard DFU ramdisk steps.

Note: The “Flashing Baseband” step Uses a long time to finish (3-8 minutes).