I don't know if this relates to your issue or not but I just received a 32gb micro sd card from an ebay seller. At $10 I thought it might be too good to be true. It was. The card was reported defective when tested with h2testw. I was able to partition the card to use only the first 8gb leaving the remaining 24gb as unallocated space. I supposed that's better than tossing it in the trash. I suggest testing your card with a micro sd adapter on a computer first to be sure that it works dependably and is not a fake like mine. Try downloading and running h2testw. You will need to use one of the file managers in your tablet to find the ext sd card. Both internal storage and external storage are labeled as SD but the external sd card is...