The Xperia Z1 Compact from Sony was first released in 2014
(Also known as Sony Xperia Z1 Compact D5503)
Model ID: 550, SO-02F
Qualcomm MSM8974 Snapdragon 800 (28 nm)
Quad-core 2.2 GHz Krait 400 with 16GB 2GB RAM
OS: Android 4.3 (Jelly Bean), upgradable to 5.1 (Lollipop)
Display: 4.3 inches, 720 x 1280 pixels
Rear Camera: 20.7 MP
LED flash, HDR, panorama
Front Camera: 2 MP

Battery: Li-Ion 2300 mAh, non-removable
Talk Time: Up to 10 h (2G) / Up to 18 h (3G)
Network: GSM / HSPA / LTE
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Color Options: Black, White, Pink, Lime