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My name isXXXXX will assist you with your Android issues.
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I am sorry that your phone is not working. Please remove battery. Wait for 5 minutes.
Put it back and connect phone charger. Check to see if the charging light comes on or not.
Press and hold Volume Down
buttons at the same time for 10-15 seconds. Your phone should reboot.
If your phone still does not boot up, when and where did you purchase your phone?
Please let me know if this answer will work out. If does not work or you have any questions or concerns, PLEASE DO NOT RATE MY ANSWER YET!
Reply to me by clicking on the Reply to Expert
button so we can continue to work on this issue.