HTC had earlier launched the HTC U Ultra in January, 2017. The HTC U series is the new flagship product from HTC. HTC U Ultra features a 5.7-inch Super LCD display with a Quad-HD resolution(1440X2560 PPI) and a secondary 2-inch display with a resolution of 1040X160 PPI, much like the LG V20. It is powered by the Quad-Core Qualcomm Snapdragon 821.
Now, we have got the official wallpapers from the HTC U Ultra that come pre-built into the phone itself. All this wallpapers are in Quad HD Resolution of (2560X1440). This wallpapers are designed for amoled displays so if you have an amoled display then this wallpapers would look great on your device.
A sample gallery has been created for you to see some of the wallpapers from the HTC U Ultra. A link to Google Drive has been attached below from where you can download all of the 19 wallpapers found on the device.