Dual Nano-SIM (4G + 3G) ; 3G WCDMA B1(2100) / B2(1900) / B4(AWS) / B5(850) / B8(900) TD-SCDMA B34(2010) / B39(1880) ; 4G LTE B1 / B2 / B3 / B4 / B5 / B7 / B8 / B12 / B13 / B17 / B18 / B19 / B20 / B25 / B26 / B28 / B32 / B66 / B38 / B39 / B40 / B41 ; 4G LTE & 3G work with AT&T and T-Mobile ; DOES NOT work with Sprint, Verizon, U.S. Cellular and all other CDMA carriers ; LTE compatibility: This is international stock, varies per carrier (ensure to check with your carrier before purchase) 10nm, 64-bit, Octa-Core (2.7 GHz Quad + 1.7 GHz Quad) CPU ; 128GB ROM, 6GB RAM ; Supports microSD, up to 400 GB (uses SIM 2 slot) ; 3500 mAh battery. Main Camera: Dual: 12 MP (f/1.5-2.4, 1/2.55", 1.4 µm, Dual Pixel PDAF) + 12MP (f/2.4, 1/3.6", 1 µm, AF), OIS, phase detection autofocus, 2x optical zoom, LED flash; Front Camera: 8 MP (f/1.7, 1/3.6", 1.22 µm), autofocus, Auto HDR.

This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Screen Size: 5.7 inches Fingerprint Sensor