3G WCDMA 850 / 900 / 1900 / 2100；4G FDD-LTE B1(2100), B3(1800), B4(AWS), B7(2600), B8(900), B28(700)；TDD LTE B38(2600), B39(1900), B40(2300), B41(2500); DOES NOT work with Sprint, Verizon, U.S. Cellular and all other CDMA carriers.</br>5.1-inch, 1440 x 2560 pixels / 577 PPI Display with Corning Gorilla Glass 4</br>Rear Camera: 16 MP, Auto Focus, LED Flash; Front Camera: 5 MP, dual video call, Auto HDR</br>32GB ROM, 3GB RAM</br>Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57</br></br>Product Description</br></br>This phone comes with Android 5.0 Lollipop (TW). Please check with your carrier for compatibility before purchase.</br><br/>http://www.amazon.com/gp/product/B00W6XX4RU