Copy CWM on Boot package(RAZR-CWMOnBoot-Global-J.Y.Daddy.zip) to external SD card
Open Bootstrap, then press “Bootstrap recovery” to install a temporary Bootstrap recovery. Accept any Superuser permission prompts. Then press “Reboot Recovery”. The phone will reboot into recovery.
In recovery menu: “install zip from sdcard” -> “choose zip from sdcard” -> select “RAZR-CWMOnBoot-Global-J.Y.Daddy.zip.”
After the update completes the phone will reboot.
After reboot, for the RazrBootstrap.apk set deny Superuser permissions. (IMPORTANT)