Samsung Galaxy S6 Edge SM-G925F Unlocked Cellphone, 64 GB - International Version (White) Display: 5.1 inches (~71.7% screen-to-body ratio) - 1440 x 2560 pixels (~577 ppi pixel density) CPU: Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz - Exynos 7420 OS: Android OS, v5.0.2 (Lollipop) Internal Memory: 64GB, 3 GB RAM Camera: 16 MP, 2988 x 5312 pixels, optical image stabilization This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information. Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint.