One of the key features of the Samsung Galaxy Z Flip is its foldable design. The phone can be folded in half, making it compact and easy to carry. When unfolded, it has a 6.7-inch Dynamic AMOLED display that provides vibrant colors and sharp details. The foldable design allows users to use the phone in different ways, such as folding it halfway to use it as a stand for watching videos or taking selfies. It also has a small external display on the front, which shows notifications and allows users to check the time and date without unfolding the phone. The foldable design of the Samsung Galaxy Z Flip sets it apart from traditional smartphones and offers a unique user experience.