Jailbroken verizon cdma Iphone 4 5.1.1 won't load pass apple logo

I recently bought an iphone 4 and got it jailbroken via cydia and flashed the verizon service to cricket service.Everything was going fine until I downloaded one app from Cydia that was a setting to change the mic on siri into an xbox logo. After the respring my iphone wouldnt open any apps so I turned it off and when I turned it back on it wouldn't load pass past the apple Logo. PLEASE HELPP!!!!

Source: http://www.jailbreakqa.com/questions/158079/jailbroken-verizon-cdma-iphone-4-511-wont-load-pass-apple-logo

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