Jailbroken iphone 4 problem?

I jalibroke my iphone 4 and at one point it froze and shut down and when it came back on the cydia app was gone… I tried to rejailbreak it but it said "this device is already jailbroken." And wouldnt let me do it again. How can i get the cydia app back?

I'm assuming you have 6.1.3 and used sn0wbreeze to jailbreak correct? There should be a new folder with a program called iBooty on your desktop used to reinitiate the jailbreak. You have to do that right after you jailbreak as this is a little "training" exercise towards your new TETHERED jailbreak. For more information, or if this is not the jailbreak you used, email gplaysprint (at) geemail dotcom on any jailbreaking matters.

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