Hi, I'm Pete. Welcome to JustAnswer! I'm reviewing your question now, and will post back with your reply ASAP.
You will need to enter recovery mode.
To do this, press and hold the Volume + button and press the round power button at the same time for approx. three seconds.
You should then be able to select Normal Startup or System Recovery from the recovery menu.
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What is showing on the display?
Ok, have you tried charging it?
Have you tried pressing and holding the buttons whilst it is connected to the charger?
What happens if you just press and hold the power button?
Is there any response at all - any sound, beeping, blinking?
Hello - I see you gave me a negative rating with no explanation :(A negative rating means I am penalized for trying to assist you. It does not process a refund of your payment.Is there any part of my answer that you need clarification on? I hope you reconsider the rating. Please advise and thank you for your time.Pete.