One plus 3T - Manual (Page 8)

8 | What’s in the Box Device OxygenOS Safety Information
Display
OnePlus 3 comes equipped with a stunning 5.5” Optic AMOLED
display. Colors are more vivid and true-to-life than ever before and a
series of custom-engineered gamma corrections create a more natural
viewing experience, while a dual-polarizing layer ensures ideal clarity.