Install CM 10.1 Motorola Droid RAZR XT912/XT910 To 4.2.1 Jelly Bean Firmware

Jelly Bean 4.2.1 is the latest Android OS version, it has been rolled out by Google to Nexus devices recently.4.2.1 fixes some bugs of 4.2 Jelly Bean.We cant expect official update to be rolled out by Motorola for Droid RAZR XT912/XT910 CDMA and GSM both variants, as for now.But CyanogenMod has made it possible again.CyanogenMod 10.1 has been ported to many devices now and Droid Razr M XT907 aswell, it was just a matter of time that when CM 10.1 will be ported to Motorola Droid RAZR XT912/XT910 CDMA and GSM.This news was making rounds now since few days.Jelly Bean 4.2.1 is now available for Motorola Defy & Defy+ aswell, thanx to Team CyanogenMod.Now you can install an custom ROM on your device which is based on Android 4.2.1 Jelly Bean.Most of you will be well knowing or have heard about CyanogenMod which is an Jelly Bean based ROM and you can very easily install Android 4.2.1 Jelly Bean CM10.1 Custom ROM on Motorola Droid RAZR XT912/XT910 CDMA and GSM with our step to step tutorial but before that would like to tell you that this is an custom ROM not any Motorola official firmware, so please do make sure your device is rooted.

This rom is in experimental phase so, its but natural that it has some bugs in it.Some known bugs are –

  • GPS will stay on “searching for signal”
  • Camera
  • Bluetooth
  • No HD codecs
  • No wifi tether
What’s working –
  • Data in 4G
  • Voice Calls
 In this tutorial we will guide you through how to update your Motorola Droid RAZR XT912/XT910 CDMA and GSM to Android 4.2.1 Jelly Bean CM10 Custom Firmware.But before the tutorial we should let you know some warnings and pre-requisites.


Disclaimer – All the tools, mods,firmwares or ROMs etc. mentioned below belong to their respective developers or owners.In any case while following the tutorial you do something wrong,miss a step or what soever, we or the developers or owners are not liable or responsible to any damage or brick of your device in any case. We are not forcing you to attempt this tutorial, its all your wish.


What’s must before proceeding forward to tutorial  

Download USB Drivers – 

Download the latest USB drivers, so that you can connect the phone to the computer from here –

Android USB Drivers 

It’s always advisable to be on a safer side before trying anything on your device, so please create a backup of your devices data.So that you don’t loose your contact,messages or files.

Full Backup Guide – 

Do make sure to check battery status –  Check Your Battery Percentage

USB debugging is enabled on your device –  Enable USB Debugging Feature

I hope every warning and instruction mentioned above has been taken into care, now let’s proceed to next page.

Page 1  Page 2 

  • Joseph Miller

    Can you use this with Safestrap?

    • Chucki

      I try it in that time .. but it need very long for first boot and i dont know if it work :-/ .. will tell later more

      • WakaWaka

        Has to be in slot1 of safestrap 3.05

        • Joseph Miller

          thanks :-)

  • Tom Schreiber

    i will try that time now .. dont think it will work .. needs long time for first boot :-/ .. tell more later

  • Satish Kumar

    I want to upgrade from Motorola XT 910 4.0.4 of 673.94.328.XT910.AsiaRetail.en.03 to 4.2.2 Jellybean. Please suggest steps and download url