OnePlus is reportedly developing the OnePlus 15T, a compact flagship featuring a 6.31-inch 165Hz OLED display and Snapdragon 8 Elite Gen 5 chipset. Leaks suggest a massive 7,500mAh battery with 100W charging, 16GB RAM, and 1TB storage. Expected to launch in China this April, it may debut in unique Matcha and Cocoa shades.