How to Upgrade Google Nexus 4 to Android 4.3 Jelly Bean

 If u need upgrade your Google nexus 4 see this way step by step i think solved your problem this way

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Cyanogen Mod 10.1 M2 Android v4.3 Jelly Bean provides an immense exhilaration to those LG Google Nexus 4 E960 users desiring to enjoy the features of Jelly Bean 4.3 ROM. Cyanogen Mod, also known as simply CM, is undoubtedly the most greatly acknowledged unauthorized Android firmware, and day-by-day they are increasing their compatibility with numerous old and freshly arriving Android devices from different manufacturers, including our LG Google Nexus 4 E960. Many reviews show that Cyanogen Mod provides much more facilities than the official Android firmware. Installing Cyanogen Mod 10.1 M2 Android 4.3 Jelly Bean JDQ39 on your LG Google Nexus 4 E960 will enable its user to sustain in the Jelly Bean environment.

So in this tutorial we will be showing you an installation guide regarding using Cyanogen Mod 10.1 M2 Jelly Bean 4.3 JDQ39 ROM on LG Google Nexus 4 E960. Just follow the simple steps given below:
Disclaimer:

This tutorial will definitely work when using LG Google Nexus 4 E960 only. While working of it on others is not yet confirmed. On applying this installation to another model or device may give an unwanted result. While applying this update we will not be responsible if anything occurs to your device, so continue at your own risk.
Pre-Requisite:

    For successful completion of this rooting process charge your phone up to a minimum of 75% battery.
    You must take a back-up of all your personnel items and other impotent data, such as Call Logs, SMS, Contacts, Audios, Images, Videos, APN (Access Point Names) settings, Bookmarks, MMS settings, on your phone.
    One must install a custom recovery image particularly for his Android device. To do this, Clockwork Mod Recovery should be downloaded using the Internet.
    If you have not, then you must unlock your Android device’s Bootloader.

Steps for installing CM10.1 M2 Android 4.3 Jelly Bean JDQ39 ROM for LG Google Nexus 4 E960:

Step 1

From your Android device disconnect & remove the memory card and insert it in your Computer using a card reader. You must not use USB cable, since Cyanogen Mod do not work properly through USB

Step 2

Now do repartition of memory card, by just doing right click on the existing partition, choose Resize option, and then apply the sufficient amount of space towards your new partition. Make your new partition as your primary partition of Ext4 file system. Press the Apply option & remove your memory card now.

Step 3

Using the Internet, download: Android 4.3 CM10.1 M2 ROM for LG Google Nexus 4 E960.zip file and Google Apps in your Computer. Again reinsert it in the PC and then copy the above downloaded zip file in a folder named as “root” under your SD Card. Don’t run or try to open this file, just copy it in the folder.

Step 4

Now, remove your memory card from the Computer. Then shut-down your Android smartphone and then again insert back memory card in the phone.

Step 5

Now, enter into the Recovery Mode. For this just press the Down Volume & Home button simultaneously, and while pressing these buttons press down your Power button at the same time.

Step 6

Since you are now in the Recovery Mode, select the “install zip from SD card” option, and then select the “choose zip from SD card” option to browse into your SD Card. Now, navigate up to the downloaded “Android 4.3 CM10.1 M2 ROM for LG Google Nexus 4 E960.zip” file for flashing it on your phone.

Step 7

Now get yourself back to the main menu by pressing back button and then reboot your Android phone.

Step 8

After this, you’ll have Cyanogen Mod 10.1 M2 ROM installed over your Android device.

Finished!