Zoniic.com — working of product

Address:	600048
Website:	Zoniic

I had ordered a product that combines samsung power bank and samsung 64 gb micro sd card. After a month samsung micro sd card is not working. Now i have to replace that product.
What should i do? To replace that product.
Here is the order number [protected]. Please check and send me the procedure to replace the order.
Looking forward for your favorable response.