ASUS ZenFone 4 (ZE554KL) 4GB / 64GB 5.5-inches Dual SIM Factory
4G LTE Dual SIM (4G does not work in the US); 3G works with AT&T and AT&T network based carriers; DOES NOT work with Sprint, Verizon, US Cellular and all other CDMA carriers; LTE compatibility: This is international stock, several per carrier (ensure to check with your carrier before purchase)
Qualcomm Snapdragon 630 Octa-core CPU; 64GB ROM, 4GB RAM; Supports Micro-SD up to 2TB (use SIM 2 slot).
Main Camera: Dual 12 MP + 8 MP, autofocus, LED flash; Front Camera: 8 MP.