Connect with friends and family by using this unlocked Samsung Galaxy S6 smartphone for GSM and some CDMA carriers, including AT&T, T-Mobile, and Verizon. The 16.0MP camera captures gorgeous pictures and videos, and the responsive 5.1-inch touch screen provides sharp, detailed visuals. This pre-owned Samsung Galaxy S6 smartphone has a 2.1GHz Cortex-A57 processor for fast and responsive user experience, while 64GB of internal memory offers ample storage space.