This phone Compatible with GSM/WCDMA Network frequency: GSM 850/900/1800/1900MHz: AT&T ( 2G Only ) T-Mobile (2G Only) Straight Talk (2G only with AT&T sim and 2G with T-mobile sim) Note : Straight Talk no longer offer AT&T SIM card for new account activation. NET10 (2G with AT&T sim and 2G with T-mobile sim) TracFone (2G with AT&T sim and 2G with T-mobile sim) Simple mobile (2G only) Airvoice (2G only ) This phone is not compatible with CDMA network: Verizon and Sprint. WIFI, BT, Radio, 3.5mm phone jack, CPU: SC6820 ROM: 512MB RAM: 256MB Storage Internal memory: ~100MB External memory: TF card up to 32GB (not included) Battery: 1200mAh Li-ion, Camera Back camera with flash light: 2MP (with flash light) Front camera: 0.3MP, screen size 854*480 Languages: English, Spanish, Portuguese (Brazil), Portuguese (Portugal), Italian, German, Dutch, French, and so on. Package Contents: 1 x Smart Phone 2 x Battery 1 x Power Adapter 1 x Earphones 1 x USB Cable 1 x Phone Case 1 x English Manual Product Features Big loud speaker Android 4.1 UI, 2.3 kernel 2G GMS network of AT&T T-Mobile Straight Talk NET10 TracFone Simple mobile Airvoice and other GSM network