Open source archive for 52.0.A.11.3

Open source download for Xperia XZ2 (H8216, H8266, H8276 and H8296), Xperia XZ2 Premium (H8116 and H8166), Xperia XZ2 Compact (H8314 and H8324) and Xperia XZ3 (H9436, H9493 and H8416); software version 52.0.A.11.3.