Samsung Galaxy S4 GSM Network

  •  Super AMOLED capacitive touchscreen, 16M colors.
  • 1080 x 1920 pixels, 5.0 inches (~441 ppi pixel density).Corning Gorilla Glass 3
  • TouchWiz UI CAMERA: 13 MP, 4128 x 3096 pixels, autofocus, LED flash (Primary)
  • 2 MP,1080p@30fps, dual video call(Secondary).Dual Shot, Simultaneous HD video and image recording, geo-tagging, touch focus, face and smile detection, image stabilization, HDR.
  • 1080p@30fps, dual-video OS: Android OS, v4.2.2 (Jelly Bean) CPU: Quad-core 1.6 GHz Cortex-A15 & quad-core 1.2 GHz Cortex-A7 GPU: PowerVR SGX 544MP3

Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile.