There are a myriad of cellular phones and thus cell phone memory cards. The link below will make it easier for you to find the exact memory card by visually matching the card to your current memory card, or by manufacturer and the size of the memory chip that you are seeking. The cards start at 4GB and double up to 64GB, you must have Secure Digital High Capacity slot to accomodate the card, which are available on recently made phones and cameras and most do not have the capacity to capture the data or images on a internal hard drive.
Click the link below as it will take you directly to the page specifically with the cell phone memory cards from the largest retailor, with best prices and descriptions offered on the web, Amazon. Enjoy!
