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What type of device? Btw google would be faster. Try Tge Dev-team blog and Iclarified for tutorials.
 
jailbreak it with redsn0w 0.9.10b3 and you will have untethered jailbreak. However, you can't unlock it at all.

Double check that. I think if your baseband from iOS 4 is preserved, you actually can use GeveySim. I know that at least ultrasn0w will NOT work, however.
 
any idea why mail.app wont display anything now that ive jailbroken?
and why cydia is a blank icon that wont open?

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any idea why mail.app wont display anything now that ive jailbroken?
and why cydia is a blank icon that wont open?

never mind, a hard reset fixed this problem.
 
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