Heard about the untethered jailbreak for the original iPad, iPhone 4, iPod touch 4, and older models running iOS 5.0.1 and curious how to use it on your own device?. This jailbreak won't yet work with newer, Apple A5 chipset-powered devices, namely the iPhone 4S or iPad 2, but if you own anything earlier, you're in luck.
If you're already tethered jailbroken on iOS 5.0.1, you can untether your jailbreak using the Corona package in Cydia.
If for some reason you'd prefer using redsn0w to untether, you may do so. Just run the version of redsn0w linked above over your existing jailbreak. When prompted what you want to do, just uncheck Install Cydia since you already have it installed. Let redsn0w do its thing and you should be untethered when it completes.
If you're not jailbroken at all, perform the following steps -
Some users seem to be experiencing this issue. Performing a clean restore in iTunes and then attempting to jailbreak after a clean install should alleviate this issue.
First attempt to select a custom IPSW under Extras in redsn0w and navigate to the iOS 5.0.1 IPSW to see if this fixes the issue. If it still fails, try a clean restore in iTunes and then attempt to jailbreak again.
If you're running into other issues, make sure to check out our jailbreak and unlock forums for further help troubleshooting common and not so common jailbreak issues.
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