Android OS, v5.0 (Lollipop)
32/64/128 GB, 4 GB RAM
Asus Zenfone Zoom ZX551ML has 64‑bit Super Quad‑Core Intel® Atom™ processor, and 4GB of high‑speed dual‑channel DDR3 memory. Featuring LTE Category 4+ for download speeds of up to 250Mbps, and a 60ms touch response time.
World thinnest 3x optical zoom smartphone, with 13 MP camera has 3x Zoom with optical image stabilization. Asus Zenfone Zoom ZX551ML is specially designed for image lovers, with dedicated buttons for shooting, recording and zooming could definitely be a camera but it is not. It is smartphone with 4GB RAM, and android latest version installed.
3000mAh battery delivers the power you need to work and mobile get charged 60% with only 30 minutes of charging. 3K mAH is quite suitable for your daily multitasking activities, battery could not run short even if you play Minions whole day. Other specs include 5MP front camera for chatting.