hi, I recently updated my iphone 4 from 4.2.1 to 5.1.1 ...after updating it i got this problem that i am not getting any notifications from any apps. for eg whatsapp or viber or even my mail. I have to open whatsapp for me to check if i got new notification or not. I dint had this problem when i was on 4.2.1 And yes my iphone is jailbroken and its factory unlocked !! So please help me out i have no clue what to do !