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Update Google Nexus 4 with Jelly Bean 4.2.1 based Motorola Blur UI Custom ROM

If you are tired and bored to see the same Android Jelly Bean 4.2.1 user interface on your LG Google Nexus 4 and want to try something different, then the new Motorola Blur UI custom ROM firmware is what you need. The software is stable and will smoothly work on your Nexus 4 E960 device, not to mention that it will totally change the looks of your device. So, if you want to try this firmware, all you have to do is to complete this step by step guide.

As the name says, the present OS improvement will bring the Motorola UI on your LG Google Nexus 4 along with other Motorola features and apps that will update your Nexus 4 with a customizable Android Jelly Bean 4.2.1 software. The ROM is rooted with SuperSU and deodexed, and according to our sources (the xda-developers team; go here for more info related to this upgrade) more features and capabilities will be installed on the next versions of the update. This is still the alpha variant of the firmware but don’t worry as you will be installing a stable platform with no reported bugs or issues.

Anyway, this is not an official update for your Google Nexus 4, so be careful in what you do; if you are applying something by yourselves without consulting the present tutorial you can end up in bricking your smartphone. Therefore, follow the below steps and complete everything as explained. First we will begin with the pre requisites, as you must prepare your handset for the flashing procedure.

As this is a complex and unofficial operation that has nothing to do with Google or LG, you must backup the Nexus 4 data. By backing up the data you can save almost everything from your phone meaning that your personal info will be in safe hands. A Nandroid backup should also be applied if possible. Do not skip this section because later you will have to perform a full wipe of the system.

Then, after taking care of your data, it is safe to continue the pre requisites with the root operation. You see, it is impossible to update your LG Nexus 4 with the Android Jelly Bean 4.2.1 based Motorola Blur UI custom ROM unless the phone is rooted and installed with a custom recovery image, like CWM recovery. First root the device and then flash the CWM recovery tool, as the app will work only on an unchained system.

You should be careful because the warranty of your device will get void (as soon as you start the root procedure). You can’t avoid that from happening but you can restore the warranty if needed; all you need to do is to downgrade to the stock Jelly Bean ROM, or to update with an official OS released by LG and Google. Then, the root access will be revoked, the bootloader relocked and the factory restrictions reinstalled.

Finally, we have the general preparation tasks that must be performed if you want to safely update your Google Nexus 4 with Motorola Blur UI firmware. Start by ensuring that you are having access to a Windows running computer. Then, on the same computer and on your smartphone temporarily deactivate the security protection. Also, enable the USB debugging option on your phone and charge its battery if there is less than 60% power left; in this way you can be sure that you can properly use your device and that nothing wrong will happen. Don’t forget that this step by step guide can be applied only by those who own the LG Google Nexus 4 model number E960 device; installing the Android 4.2.1 Jelly Bean powered Motorola Blur UI ROM on a similar handset will brick the same.

How to Update Google Nexus 4 with Jelly Bean 4.2.1 based Motorola Blur UI Custom ROM Firmware

  1. Use the computer and download the update file from here.
  2. Then, place the file on your phone.
  3. Turn off the device and reboot in recovery mode.
  4. For that you must first boot into bootloader mode by pressing and holding the Volume Up, Volume Down, and Power buttons.
  5. From bootloader mode just select “recovery”.
  6. Now, by using the recovery menu select “wipe data factory reset”, “wipe cache partition” and “Wipe Dalvik Cache” (it is a good idea to backup the data before applying this step).
  7. Then, select “+++go bak+++” followed by “install zip from sd card” and “choose zip from sd card”.
  8. Pick the update file and start the update operation.
  9. When the same is done select “+++go back+++” and “reboot system now” and the tutorial is over.

So, that was all for today. You have safely updated the LG Google Nexus 4 to Android 4.2.1 Jelly Bean with Motorola Blur UI custom ROM firmware. If you have encountered issues while trying to complete the tutorial, share the problems with us so that we can help you through. Also, do tell us how you find the new software and if you have made a good decision by choosing to install the Motorola UI on your pure Android Nexus 4.

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