Sony will hold its press event at the Mobile World Congress (MWC) 2019 technology show in Barcelona, Spain, in just about two weeks, to announce its new smartphones, including the flagship phone. Xperia XZ4.
Recent rumors have revealed that the Xperia XZ4 will be equipped with a very tall 21: 9 aspect ratio display. Lets Go Digital has discovered that the trademark for the screen is "CinemaWide". Suggest that the Japanese company can call the Xperia XZ21's 9: 4 aspect ratio screen as a CinemaWide screen, which is what its younger brother, the Xperia XA3, will also equip.
On February 4, Sony filed a trademark for the nickname "CinemaWide" with the European Union Intellectual Property Office (EUIPO). It has been classified as Class 9, which has been described as "smartphones, tablets, displays, application software for smartphones, image processing apparatus, exposed motion picture film."

The name "CinemaWide" sounds more suitable for a high aspect ratio screen. The Xperia XZ4 is rumored to be equipped with a 6.5-inch OLED HDR display that will offer a QuadHD + resolution of 3,660 x 1,440 pixels.
The Sony Xperia XZ4 would be powered by the chipset Snapdragon 855 and a 6 GB RAM memory. It may come with an internal storage of 128 GB. However, a recent leak revealed that there is an advanced edition of the Xperia XZ4 heading to China that is rumored to feature 8GB of RAM and 256GB of native storage.
It is also said that el Xperia XZ4 It will arrive as Sony's first flagship phone with triple rear cameras. No specific information is available on the XZ4's triple camera sensor configurations. However, rumors include a 52 megapixel main lens.
In addition to debuting with the Xperia XZ4, there is also talk that the Japanese firm will announce the Xperia XA3, Xperia XA3 Ultra and the Xperia L3.
(Source)