Those looking for a fun yet handy smartphone can consider exploring the Samsung Galaxy Z Fold series this year. Comfortable switching from phone to tablet modes, this smartphone series has quickly gained popularity among those who enjoy bigger screens. While flip phones can be nostalgic, the advances in design and quality of foldable phones can meet all the contemporary needs of buyers. So, here is everything one should know about Samsung Galaxy Z Fold phones:  Key features Samsung launched the Galaxy Z Fold Series in 2019. It is a foldable phone with a vertical axis. So far, the brand has launched five models in the series, from the Fold to Fold 5. It is important to note that this series differs from the Z Flip series, which folds horizontally. Here is a look at two of the key features of top models in the series: Samsung Galaxy Z Fold 4 and Galaxy Z Fold 5. 1. Body and display The Galaxy Z Fold 4 comes in four colors—phantom black, beige, gray-green, and burgundy. With a 7.6-inch Infinity Flex display and a metallic finish, this folding phone has a stylish exterior. Additionally, this model has pushed-back bezels that fit perfectly into the display, camouflaging the fold perfectly.