The heat-forged aluminum unibody and A19 Pro chip with vapor cooling deliver up to 40% better sustained performance and a 39-hour video playback battery life. Its all-48MP rear camera system provides an 8x optical-quality zoom range, while the new Ceramic Shield 2 front glass offers 3x better scratch resistance. This phone is best for mobile photographers and power users who need maximum battery endurance and a durable, scratch-resistant build.