How do you transfer files onto a memory card using a 3 dongle?

To transfer files onto a memory card using a 3 dongle, first, insert the dongle into a USB port on your computer. Then, connect the memory card to the dongle, either directly or using an adapter. Open the file explorer on your computer, locate the files you want to transfer, and drag them to the memory card's directory. Once the transfer is complete, safely eject the memory card before removing it from the dongle.