The OnePlus 15 is a 2025 flagship smartphone featuring the Qualcomm Snapdragon 8 Elite Gen 5 chip, a massive 7,300mAh battery, and a 165Hz 6.78-inch LTPO AMOLED display. It boasts a redesigned, slim-bezel aesthetic with IP69K durability, a 50MP triple camera system, 120W wired charging, and OxygenOS 16.