Showing posts from January, 2015

How to install Kitkat (4.4.2) and ubrick Motorola droid razr m xt907 (step by step)

Requirements :Download firmware file  from
RSD lite tool from

Download RSD drivers from Motorola site

Installing :
1 : install RSD tool And drivers on your Computer 2 : Run RSD lite program 3 : Extract firmware file 4 : on RSD tool Select this xml file  VZW_XT907_4.4.2-KDA20.62-15.1_1FF.xml  from firmware extracted folder 5 : put your phone in fastboot mode by power off your phone and press and hold these keys (power+volume up and down) then a new screen appears navigate ap fastboot select it with volume up key And connect with computer  Note: make sure drivers installed on your  6: on Rsd tool your device appears  7 : click on start and wait until RSD lite tool pass your phone 8 : if your phone again goes in fastboot mode then press power for 3 sec after off press power+volume up+down and select normal power with volume up key 9 :After…