The recent version of the redsn0w jailbreak use is on hand from the iPhone Dev Team, as stated by MuscleNerd, the head of the hacking pack. The recent version comprises a handy baseband downgrade option for those who are using the iPad’s 06.15 baseband on iPhone 3G and iPhone 3GS phones.
The
folks who unlocked with ultrasn0w and updated their iPhone baseband
past 05.13.04 will “typically” have the 06.15 baseband, according to
MuscleNerd. Still, in case the client never had 05.13.04 on their device
before, redsn0w now makes it likely to downgrade particularly from
06.15 to 05.13.04.
“This gives you the best of both worlds:
ultrasn0w compatibility and a normal iPhone baseband with full GPS and
the ability to use stock IPSWs again,” as stated by the iPhone Dev Team
leader.
Subsequently,
MuscleNerd forwards to outline the steps users must take to leverage
this functionality in the new redsn0w 0.9.14 beta 1.
Just few steps:
* 1. Use
the “Extras->Select IPSW” button in redsn0w to tell it which
firmware version you have installed (new-bootrom 3GS users can usually
skip this step but it doesn’t hurt for them to do it too).
* 2. Do
a controlled shutdown of your iPhone (“slide to power off”). This step
is very important to avoid mount problems when the ramdisk is running !
* 3. Go
back to the first screen and click “Jailbreak”. Enable the “Downgrade
from iPad baseband” checkbox, disable Cydia if you already have it
installed, and click Next to proceed through the normal DFU ramdisk
steps.
Clients are warned that they’ll
encounter a screen that takes a very long time, and MuscleNerd insists
them to “just let it be for the next 3-8 minutes! When the ramdisk has
done its job it will reboot the phone on its own,” he writes.
iPhone
3G owners looking to update to 06.15 in order to downgrade to 05.13.04
will be able to do so unconditionally. For 3GS owners, the answer is
“maybe.” MuscleNerd has a few more notes on this on the Dev Team blog (where the redsn0w download links are also available).
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