I have purchased HP 16GB MICRO SD CARD ( 2 items) and SanDisk Ultra microSDHC UHS-I Card, 8GB on Thu, 01 Jan, 2015. My order id is 4237628835. Now I am facing problems with HP 16GB MICRO SD CARD ( 2 items) on the other hand SanDisk Ultra microSDHC UHS-I Card have no issues. HP 16GB MICRO SD CARD( both 2 items) are not working. The problem is, It shows sd card is bland or unsupported .I have formatted the memory card, then it worked and able to use.After few hours it shows same message sd card is blank or unsupported and lost all files from the memory card . What can I do with these two memory cards of HP ? Please conside my request. I believe that snapdeal will consider my complaint.