My iPhone 4 won't charge. I plugged It everywhere and it still won't work. How do I fix it?

My iPhone 4 won't charge. I plugged It everywhere and it still won't work. How do I fix it?

Either your wire is broken or

the charging port is broken

(the little thing on the bottom inside your phone)

If you believe the wire is broken then try buying a new one and if it does not work then the problem is your charging port

You may have to take it back to your carrier for repair