HTC One M8 32GB Verizon + GSM 4G LTE, Quad-Core, Dual-Frontal Stereo Speakers, Dual-Camera UltraPixel Smartphone - Red (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new, with limited to no wear. The refurbishing process includes functionality testing, inspection, and repackaging. The product is backed by a minimum 90-day warranty, and may arrive in a generic box. The product ships with a charger and cable, but does not include headphone, manual or SIM card. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon. Android OS, v4.4.2 (KitKat), v5.0 (Lollipop), planned upgrade to v6.0 (Marshmallow) Quad-core 2.3 GHz (US/EMEA) Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot 5-inch Super LCD3 Multi-Touchscreen w/ HTC Sense UI v6 and Protective Corning Gorilla Glass 3