IPhone notifications not working?

I just got a new iPhone 5c and only my text message notifications are working. I get no notifications on kik snapchat Instagram or Twitter. I checked settings and there all turned on.

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  • Why am I not receiving the notifications from texts on my iPhone? I have an iPhone 5 and whenever my girlfriend texts me, I don't feel a vibrate, hear a ring, and when I look at my lock screen, there's nothing there, but when I open it and go to our messages, there's like five messages that I haven't gotten notified for. Is this a bug or glitch with the iPhone 5 or is there a fix for this?
  • Why am I not getting Twitter Notifications on my iPhone? I have an iPhone 4s and as of the past day or two, I haven't been getting any notifications from twitter that I usually do. I have all the notifications turned on, through the app itself and the setting notifications, I'm not sure what's wrong, Help
  • Why am I not getting notifications from Facebook to my iPhone? I have an iPhone 4 and i have it synced with Facebook mobile. However, I'm not receiving any notifications from Facebook. I have push notifications and text notifications turned on and I've adjusted all my settings to allow my phone to receive these notifications, so why is it still not working?
  • Not receiving push notifications on Iphone? I'm not receiving push notifications from Whatsapp anymore on my Iphone. Now, I have to actually open Whatsapp and then the message will be delivered to me, only for me to realize it was sent like 20 minutes ago or however long. Any ideas? All the settings are on, the whatsapp notifications settings are all correct. I've reinstalled the App and even restored my phone to factory settings, and nothing…