Samsung Galaxy Mega 2 G750A 16GB Unlocked GSM 4G 8MP Camera Smartphone - Black (Certified Refurbished) Unlocked for all GSM carriers worldwide (like AT&, T-Mobile, etc). Not compatible with CDMA carriers like Verizon Wireless and Sprint. Carry it like a phone, use it like a tablet. Enjoy clear and easy-to-see images on the brilliant 6-inch high definition screen. Put what you need in reach with One-Handed Operation Screen Mode. Use multiple instances of the same app at the same time with Multi-Instance Mode. With Ultra Power-Saving Mode, more efficient management of the quad-core processors battery usage provides extended power for critical moments and situations. When youre watching a movie, browsing, texting, or making a call, you can avoid interruptions as the Mega 2 displays a small, transparent, and customizable pop-up window.