Sounds not working on jailbreak iphone

[galbioru]

Hello, the sounds stoped working on my iphone( 2.0 jailbreak cydia and installer) i was installing some apps from apple store but i am not sure exactly which one did that, can somebody please help me? what can i do? i did the hard restart, nothing, i tried setting everything back in sound settings, nothing, please help, the phone is not ringing just vibrating, and no lock sounds . thank you!

[E-Dragon]

Restore it..