Dooblam&reg; Unlocked Gsm Smartphone Android Dual Core Cell Phones 4" Multi Touch Screen Wifi At&t T-mobile Straight Talk Net 10 Simple Mobile GSM unlocked for ATT Tmobile tower, but not for verizion/metro pcs Android play store inside 4" multi-touch screen Dual core+ WIFI Support micro sd card extention (sd card not included),phone only, no sim card enclosed.