OnePlus X features a 5.0″ 1080p AMOLED display, a Snapdragon 801 CPU with 3GB of RAM, and the ability to use two SIMs, or one SIM plus a microSD card. The camera is 13MP sensor with f/2.2 aperture, and the front camera takes photos at 8MP with f/2.4 aperture. The OnePlus X comes with a glass back, or, in limited quantities, you can get a unit with a ceramic back. The battery capacity is 2525mAh.
OnePlus X runs on modified Android interface – Oxygen OS. While Oxygen OS has its own advantages, there are many users who prefer Cyanogen OS. For those users, there is CM 13 ROM which will update OnePlus X to Android Marshmallow. Follow the guide to install this ROM on OnePlus X.