•This tutorial is only for installing Android 5.1.1 CM12.1 Nightly ROM on Motorola Droid Bionic. Please do not try on any other Droid Bionic variants.
•Your phone should have a custom recovery installed and should be rooted (optional) from before.
•This tutorial will wipe out all your data. Make sure you backup all your data in your phone before proceeding.
•Perform a Dalvik Cache wipe before proceeding from the Recovery Mode.