Motorola Droid Razr has a 4.3″ AMOLED PenTile display with a Gorilla glass cover. It has a 8MP front camera and 1.6MP rear camera. It is powered by 1.2GHz processor and 1GB of RAM. The phone can be upgraded to Android 4.1.2 Jelly Bean, though it ships with Android 2.3.5 Gingerbread.
After Jelly Bean 4.1.2, Droid Razr stopped receiving official updates from Motorola. But Android being open source, custom ROM development has continued for this device. You can install the latest Android 5.0.2 OS on Droid Razr using the CM 12 custom ROM. Follow the guide given below.