Samsung S7 Unlocked GSM Smartphone, Gold, 32GB 2 g GSM: GSM850, GSM900, dcs1800, pcs1900 3 G UMTS: B1 (2100), B2 (1900), B4 (AWS), B5 (850) 3 G TDSCDMA: B34 (2010), B39 (1880) 4 G FDD LTE: B1, B3 (1800, 2100), B2 (1900)), B4 (AWS), B5 (850 B18), B7 (2600), B8 (900), B12 (700), (800), B19 (800), B20, B30 (2300) (800), B29 (700) 4 G LTE TDD: B38 (2600), B39 (1900), B40 (2300), B41 (2500) 12 MP, f/1.7, 26mm, phase detection autofocus, OIS, LED flash; 1/2.5" sensor size, 1.4 m pixel size, geotagging, simultaneous 4K video and 9MP image recording, touch focus, face/smile detection, Auto HDR, panorama; Secondary 5 MP, f/1.7, 22mm, dual video call, Auto HDR; Video 2160p@30fps, 1080p@60fps, 720p@240fps, HDR, dual video rec. 4 GB RAM; 32 GB Internal Memory; microSD, up to 256 GB (dedicated slot); Non removable Li Ion 3000 mAh battery OS Android OS, v6.0 (Marshmallow); Chipset Qualcomm MSM8996 Snapdragon 820; CPU Dual Core 2.15 GHz Kryo Dual Core 1.6 GHz Kryo; GPU Adreno 530