No Return / No Exchange / No Warranty.Please check the IC Number and match with your existing Product.Genuine and Proper IC.Super Quality.Every product crosscheck Before Shipping.RT8813AZQW RT8813A ( OP=** ) ( 0P=** ) ICOP=FA, OP=EG, OP=CD, OP=FC, OP=FL, OP=2A, OP= IC0P=FA, 0P=EG, 0P=CD, 0P=FC, 0P=F..