The P81 from Panasonic was first released in 2014

Model ID:
Mediatek MT6592 (28 nm)
Octa-core 1.7 GHz Cortex-A7 with 8GB 1GB RAM
OS: Android 4.2.2 (Jelly Bean)
Display: 5.5 inches, 720 x 1280 pixels
Rear Camera: 13 MP
LED flash
Front Camera: 2 MP

Battery: Li-Ion 2500 mAh, non-removable
Talk Time:
Network: GSM / HSPA
HSPA 21.1/5.76 Mbps
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Color Options: Black