Hi folks, as per title, I've got a tab 3 that just won't turn on. I bought it from Amazon in December and used it most days but I left it in the car for a few days and now it's unresponsive. There appears to be no way to remove the battery as you would with a frozen phone. There does appear to be a tiny hole next to the power button for a hard reset but nothing has worked. Any ideas please before I contact amazon Thank you Dave.