As I mentioned in the previous post, please stay away from upgrading to iPhone OS 3.1.3. Hours after the release of iPhone OS 3.1.3, however, the iPhone Dev team has released redsn0w 0.9.4 that supports jailbreaking on the latest version of iPhone OS. But there is a catch. The jailbreaking solution only works on iPhone 2G, 3G and iPod touch 1G.
Anyway, this is really a good news for those using jailbroken iPhone. But, please read this post very carefully before you take action to upgrade to iPhone OS 3.1.3 for your jailbroken iPhone.
For those using jailbroken iPhone 2G, it is safe to upgrade to iPhone OS 3.1.3 and use redsn0w 0.9.4 to jailbreak it. As there is no further update of the baseband, bootneuter should still be able to unlock your iPhone, in case you need. Here is the suggestion from iPhone Dev team on how you can use redsn0w to jailbreak OS 3.1.3:
We can confirm that yesterday’s redsn0w works for today’s 3.1.3 update for iPhone 2G. Just point it at the 3.1.2 iPhone 2G IPSW after doing update or restore to 3.1.3. So far we’ve only confirmed this for iPhone 2G.
For those using jailbroken iPhone 3G, iPhone Dev team also confirmed redsn0w 0.9.4 supports jailbreaking on iPhone OS 3.1.3. Please take extra care for iPhone 3G. Redsn0w 0.9.4 can only support jailbreaking. If you’re relying on ultrasn0w for unlocking, DO NOT UPGRADE to iPhone OS 3.1.3. Your iPhone cannot be unlocked after the upgrade.
Can confirm that this method works for iPhone 3G and iPod touch 1G too. Don’t do it for iPhone 3G if you need an unlock though (really, don’t!).
For those using jailbroken iPhone 3GS, DO NOT UPGRADE to iPhone OS 3.1.3. At the mean time, none of the jailbreak tools (including blackra1n, redsn0w, PwnageTool) supports jailbreaking on this OS version. Just keep your iPhone OS 3.1.2 and remember to ignore any upgrade prompt in iTunes. This is crucial, otherwise, you may end up with a “brick” iPhone.
If you’re confused, feel free to leave us comment. Or you can just skip this iPhone OS version and wait for the next major release.
For those who are adventurous for the upgrade, you can download Redsn0w 0.9.4 here (Windows / Mac). To ease your upgrade, a more detailed jailbreak instructions for iPhone 2G will be posted in upcoming post. Stay tuned.
Update: The jailbreak guide for redsn0w is now available. Check out here.
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how do i jailbreak the ipod touch 3G with firmware 3.1.3????
I have not upgraded but my iPhone will not reboot from the picture screen. It just stays there and continuously turns itself off and back on to end up at the same screen. Please help… feel free to contact me at bursil324@AOL.COM
THANK YOU
i just upgraded and jailbreak my iphone 3g 2.2.1 to 3.0 and it asked me to upgrade it to 3.1.3 upon sync it with itunes. is it safe to me to upgrade it to 3.1.3 and jailbreak it afterwards with Redsn0w 0.9.4??? thanks…
@anonymous1,
As you’re using iPhone 3G, I suggest not to upgrade to iPhone 3.1.3. But you can use blackra1n and upgrade to iPhone 3.1.2. Check out the guide here.
I turned on an option on my Iphone 3G that allow the phone to read out what ever is on the screen. The result is i am unable to scroll an now cannot get back to the option to turn it off. My phone was unlocked but i am not sure if it was jailbraked, I am also not able to get to the reset button. Restore does not work. any suggestions on what i can do to restore the phone.
thanks
Hi Simon, is this new option for jailbreaking OS 3.1.3 Open for other sim cards??? please email me at smdr_25@yahoo.com
Thanks
@Saviour,
At the mean time, you can only jailbreak iPhone 3G. There is no unlock solution on OS 3.1.3.