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.
Previously, we saw how to install CM 12 on the Motorola Droid Razr. Th official build of the latest CM 12.1 custom ROM has been developed by the CyanogenMod team for the Droid Razr. This will update the Razr to Android 5.1. Follow the guide below to install CM 12.1 on the Droid Razr.