Blackra1n RC3 unlocks iPhone 3GS
Blacksn0w
(Credit: GeoHot)iPhone OS hacker GeoHot released Blackra1n RC3 Tuesday, an updated jailbreak and unlock utility for the Apple iPhone 3GS and iPod Touch.
This version provides true carrier unlocking for iPhone OS 3.1.2 and baseband 05.11.07 by taking advantage of at+xemm crash exploit discovered by ih8sn0w.
The Blackra1n jailbreak process installs a new app--called Sn0w--onto an iPhone. It unlocks your iPhone, making it usable on any GSM carrier network. More information about the jailbreak can be found on GeoHot's blog.
Please note that by jailbreaking an iPhone, you may be violating your terms of service and voiding your warranty. CNET does not recommend jailbreaking; proceed at your own risk.

Double standard?
New non-Jailbroekn 3GS with 3.1.2 and most updated itunes...I tried on MAC using RC3 and was able to download Cydia. Only want to jailbreak, so I only installed Cydia. At step 8 (restart), the phone will not exit recovery mode (screen with itunes and usb plug logos).
I retried several times, and now I have a jailbroken phone that cannot be restarted or turned off/on without getting stuck in recover mode. My phone is jailBROKEN and it is driving me nuts- have not received any reply email from blackra1n support or from any of the other sites- help please.
Reset the iPhone by holding the sleep/wake button at the top right of the device and the home button at the bottom center of the face at the same time. Hold them both until you see the screen go black and the white Apple logo appear. Then release the top button and keep holding the bottom button until the link to itunes icon shows (could be up to 30 seconds. plug cable in, follow the restore commands
This is what is refered to as tethered jailbreak. It's the only way at the moment.
So just reboot, and at "plug into itunes screen" just run blackra1n and your device will start like normal, just as it was before reboot. Apps and setting setc intact.
if any one know how to fix this issue, please let us know, and we will be thankful.
cheers.
In other words, if you have a jailbroken phone, you'll need to be hooked up to your computer to boot the phone properly, if it is jailbroken. This is a known issue and both geohot and the devteam have posted extensively about it. There may or may not be a "fix" for that issue in the future.
But for now, you can either keep your jailbreak and make sure that you don't reboot or lose power on your phone when you don't have access to your computer. Or you can restore to the default Apple firmware.
I'm not affiliated with either the dev team or geohot. But I have read their sites and this is a pretty well known issue.
So for richard's problem, the solution would be to start over -- restore your iPhone to the original Apple 3.1.2 software. Then do the following BEFORE jailbreaking:
1.) Make sure your USB cable is not damaged. This can interrupt the process.
2.) Make sure you kill iTunes and iTunes Helper. Google's your friend.
Enjoy.
But would like to ask if I can use this to jailbreak my old original iPhone.
Upgraded to 3GS.
Would this be the best one to use to unlock my spare iPhone?
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by bondml
November 8, 2009 11:24 AM PST
- I've got still (0xE8008001) pls help
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