Last year notch display smartphone was the triumph and very popular with the mobile lovers. After iPhone X releasing almost every mobile brand follows their path and notch display phone was everywhere. After that, the Chinese smartphone brand shows their new innovation tear drop display phone.
And now in 2019 will be the year of foldable phones year. Because already smartphone giants like Samsung, Huawei, OPPO showed their foldable phones prototype in different events. Now their main competition is who will be the market leader.
Few hours back Samsung releases their foldable smartphone teaser video and Xda-Developer news it and published the teaser video on their website. Samsung may be showing their final design Foldable smartphone in MWC 2019.
Not only the Samsung working on foldable display phone but also Huawei & Oppo have announced they are working on such a device. (source)