Hi Jon. Welcome to justanswer.
Turn off the phone. And Once the phone is off, hold the volume up, home, and power buttons down simultaneously. Continue to hold this combination while the phone boots, until the screen shows the Android Robot.
After a few moments, you will have access to the phone’s recovery boot menu. Using the volume up/down buttons to navigate, and the power button to make selections, find and select the Wipe Data/Factory Reset option
Scroll down to Yes, delete all user data, and press the power button once again. You will notice script scrolling along the bottom of the screen, which will end in Data Wipe Complete.
Once the operation is complete, press the power button once more to restart the device.
Connect your phone to the charger for about 15 minutes, and then while it is still plugged in, press the power and volume down for about 15 seconds and see if anything happens or not.
Sorry for the delay, I was out.
Pressing the volume down and power button didn't do anything?
If the phone is still not doing anything then do the reset which I told you to do initially holding down the Volume up,power and home key.
Can you turn the phone off
Hold the volume up, home, and power buttons down simultaneously. Continue to hold this combination while the phone boots, until the screen shows the Android Robot.
Is it under warranty?
I will forward your request for refund.