Diandra

You may replace the glass screen by purchasing a new screen and following this link Samsung Galaxy Light Repair for a step by step replacement guide.

This could be an issue with your charger or phone charging port, start with trying another charger. If this did not work try cleaning out the port on the phone, if it still doesn't work you will need to replace the micro USB port in your phone to do so follow this link (Samsung Ga...) to see step by step how to replace your port.

You will need to purchase a new phone speaker tools required to take apart this phone then follow the replacement guide linked here (Samsung Ga...).