Microsoft Nokia Lumia 640 LTE 8GB 5″ Unlocked GSM Windows 8MP Camera Smartphone – Black – International Version No Warranty by Microsoft
- 2G: GSM 850 / 900 / 1800 / 1900, 3G: UMTS850 (B5), UMTS900 (B8), UMTS2100 (B1) , 4G: LTE2100 (B1), LTE1800 (B3), LTE2600 (B7), LTE900 (B8), LTE800 (B20)
- 5-inch IPS LCD Multi-Touchscreen w/ ClearBlack display & Protective Corning Gorilla Glass 3
- Microsoft Windows Phone 8.1 with Lumia Denim, Quad-Core 1.2 GHz Cortex-A7 Processor, Chipset: Qualcomm MSM8926 Snapdragon 4
- 8 Megapixel Camera w/ Autofocus & LED Flash + Front-Facing Camera
- Internal Memory: 8GB, 1GB RAM + microSD Slot Expandable up to 128GB (dedicated slot)
Power-infused performance Loaded with all the power you need, the Lumia 640 LTE works as fast and efficiently as you do. It's a workhorse that lets you concentrate more on what you're doing at any moment, with its quad-core Qualcomm Snapdragon 400 processor and Microsoft Office built in. And you'll have plenty of juice to help you achieve more with the whopping 2500 mAh battery. 2G GSM 850 / 900 / 1800 / 1900. 3G WCDMA 850 / 900 / 2100. 4G LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800).