Iphone not charging.

  The problem may come from your charger, it might be damaged or not fully connected. If you're using an adaptor, it might be damaged. But if the issue was not caused by any of the options above, you might be having a hardware problem. In that case, you should take it to Apple and let them fix it and if that's not a possibility for you, you can use apple support and talk to experts. 

Don't know.

Take it to Apple so they can fix it.