WARNING: You REALLY need to UNDERSTAND and read EVERYTHING or you MAY brick your phone!
IF YOU HAVE NOT UNLOCKED, THIS BUILD WILL PREVENT YOU FROM DOING SO. STOP NOW and GO UNLOCK!
Purpose of this thread:
To get you, the locked or unlocked RAZR M XT907 owner, from any version to 4.4.2 (KDA20.62-15.1).
Things you will need:
Use thewith KEEP DATA to flash this to your phone with RSD.
Use thewith KEEP DATA to flash this to your phone with fastboot.
This will get you a clean OTA install with no data loss. ---> You will lose root. <---