A memory card is an important part of technology in our daily life. A memory card becomes more important especially when you have a smartphone which has low internal storage. Some high-end smartphones already have big memory on their internal. They are usually equipped with 128 GB internal memory. However, low-end smartphones are usually equipped with lower internal memory. Using a memory card is the solution for such an issue. By using it, you do not have to worry about getting your internal storage full to store up your files anymore.