Samsung Galaxy S6 Edge SM-G925A 32GB Sapphire Black Smartphone for AT&T (Certified Refurbished) 16.0 MP Android Exynos 7420 Octa AT&T A Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a manufacturer or specialized third-party seller approved by Amazon. All products are backed by a minimum 90-day warranty.