How to update GSM Motorola Razr and Razr Maxx XT910 to Android 4.1.2 Jelly Bean Official

Motorola RAZR

If you are a Motorola smartphone user, you probably know by now that Verizon recently launched on the market, the official update of the Jelly Bean 4.1.2, available for Motorola Razr Maxx and Droid Razr. This made us wonder when will they develop the firmware for the other Motorola phones. Another thing you should be aware of, is that the GSM version of the handset Razr and Razr Maxx XT910, Android’s official 4.1.2 OS has been made available by the xda-developers team. Thanks to them, now you can install this version on your device as well.

You probably realize that this official update of the Jelly Bean, released through OTA for the GSM variants of the Motorola Razr and Motorola Razr Maxx, is actually a leaked version of this firmware. Considering this, don’t hold back just because of the issues found now on this software, cause they will be fixed when the update will be launched. However, these issues are nearly unnoticeable, and the advices we received from the team that made this option and this guide available for all of us, tell us that we can install safely this version of the Jelly Bean OS. Thanks again to the xda-developers for their help.

Pay attention to every piece of information we have posted because this operation is pretty complicated and complex, so you need to understand it thoroughly. Don’t skip directly to the flashing procedure, cause you might end up bricking your device. In order to safely install and use the official Jelly Bean ROM on your smartphone Motorola Razr  or  Razr Maxx XT910, you need to carefully follow and apply the pre steps of this operation, before moving on to the procedure itself. Remember that this tutorial isn’t designed for the Verizon variants of these devices, so try not to apply the same on them, as you risk to create a big mess.

  • This version of the Android 4.1.2 software can be successfully installed on both the rooted and un-rooted versions of the above mentioned devices. However, it would be better for the system files to be intact when this update is applied.
  • These smartphones would be currently working on the ICS 4.0 stock platform, with the version no 672.180.41.XT910.Retail.en.EU; To make sure about this is, open  settings – about phone and check for this OS to be the version actually running on your devices  GSM Razr / Razr Maxx.
  •  Now it would be a great time to save you personal info and data in a backup, because we’re getting pretty close to the actual flashing of the Jelly Bean update.  Even though it’s not likely to lose anything because of this operation, you should have a backup just in case you need a cover afterwards.
  • When the backup is finished, check the battery life of your phone, and make sure it has at least 60% power left. If not, charge your device in order to avoid its’ “death” during the procedure.
  • For this procedure, you will need a computer or a notebook at your disposal.
  • Further you should uninstall or deactivate any security programs, like antivirus programs, firewalls etc. from both your phone and computer.
  •  Next, on your Motorola Razr XT 910, enable the option USB debugging.

If your smartphone isn’t rooted, than you can skip this part. But if it is, then you should follow these pre-requisites as well, before moving on to the update with the leaked software, Jelly Bean:

  • Open Google Play store, and from there download the app OTA RootKeeper (or follow this link here).
  • After the download is finished, install and run it on your smartphone.
  • In order to backup the root status, select the feature Protect root.
  • Now,  in order to remove the root access, choose Temp Unroot.
  • Now you are ready for a successful update of your device.

The next steps represent the actual update to the leaked official Jelly Bean. Remember that you first have to apply the pre steps from above if you want to succeed with this procedure. As we told you before, this version of the Jelly Bean update, launched by the Motorola company is only available for the GSM variants of the Razr Maxx and Razr. This is the main reason why, this guide will only function properly for these two smartphones. However, if you own the Verizon version of the Razr or of the Razr Maxx, you can use the tutorial from here, in order to update to the official Android 4.1.2.

Guide for updating the GSM Motorola Razr XT910 to Official Android 4.1.2 Jelly Bean OS

  1. First, you have to download the update file posted here, on your computer/notebook.
  2. You must know, that this update cannot be applied from the phone’s internal storage memory, thus you must insert an SD card into the device you update.
  3. Now connect the device to the computer, by using the USB cord.
  4. Next, select the file you downloaded previously and paste it on the SD card of your phone. Or, if you can, just drag it on the SD card.
  5. Power off your phone, and reboot it into recovery mode.
  6. You can reboot into recovery mode by simply pressing and holding simultaneously the buttons Power, Volume Up and Volume Down. Hold this way until the boot menu appears on the screen. Next, you’ll have to select the option recovery, and then hold down the buttons Volume Up and Volume down at once, and the phone will reboot in recovery mode.
  7. In the recovery menu, select the option wipe cache.
  8. Further, you’ll have to select the option install/apply update from external sdcard/storage.
  9.  Now, select the update file previously saved on the SD card, and wait until the software is being installed on the device Razr, or Razr Maxx.
  10. All you have to do now is to choose the option reboot system now. That’s it, you’re done.

Well done, now you can enjoy the new official Android 4.1.2 Jelly Bean on the GSM Motorola Razr / Razr Max smartphone. As we told you before, this is a leaked version of the software so you might encounter a few issues or bugs on the platform. Take the new software for a spin test, see how it goes and share with us your performances and experiences with it, by using the comment section we provided below. Any new information concerning the new Jelly Bean version is welcome.

In addition to the info posted above, we will show you how to restore back the root access. So here’s what you have to do:

  • Open and launch the OTA RootKeeper again.
  • Next, select the option “Restore Root”, and click on it.
  • This is all you have to do in order to restore your root access.