Update Google Nexus 4 with CM 10.1 Jelly Bean 4.2 Custom ROM

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I have good news for those who had recently bought the Google LG Nexus 4 as the latest CyanogenMod platform the CM10.1 one has been ported to their Android powered smartphones. So, now you can easily update your Nexus 4 to the custom Jelly Bean 4.2 OS by installing the CM 10.1 custom ROM into your phone’s internal system, all being available thanks to those of xda-developers who had first flashed the firmware on the mentioned phone. You have the suitable step by step guide explained below therefore if you want to learn more about this process, take a look over the same.

CyanogenMod is the most popular Android based custom update, the features, apps and capabilities introduced by the CM firmware being something that any Android user should want to install on its smartphone or tablet. Well, now you can learn how to update the very own Google Nexus 4 with the Android 4.2 based CM10.1 custom ROM and power up your phone with the latest features developed and provided by the CM team. Of course the present updated is a beta one, the stable and official version of the CM 10.1 software being still expected by all of us.

As mentioned, the ROM has been tested on the LG Nexus 4 by those of xda-developers, meaning that there might be some bugs in the system. From what we could find out there are problems with the Gesture Typing feature. On the other hand, capabilities like Wifi, Data, GPS, Bluetooth, Camera, or NFC are working perfectly so you have nothing to worry about (for more details check our source page by going here). Take note that the CM10.1 software isn’t an official update provided by Google for your Nexus 4, meaning that you cannot OTA receive or apply the same. Furthermore, the firmware is also in the beta stage of development, so you will not install the stable variant on your device.

Due to the fact that CM 10.1 is a custom ROM and not an official update, you will first have to prepare the LG Google Nexus 4 for the installation procedure that will follow. The software need to access some internal files from your phone, meaning that you need to provide this access. How to do that? Well, actually easy because by unlocking the bootloader and then by rooting the internal system you will be able to unchain the OS of your Nexus device. But first, you need to backup the data. A full wipe of the system will be required so for ensuring that you aren’t loosing personal info, first of all, save the contacts, messages, call logs, market apps, current ROM and everything else you need to.

  • After backing up the data unlock the bootloader and root your LG Nexus 4.
  • Be careful and try not to mess things up because the warranty will get void. This is happening because you will make changes to the internal system of your smartphone, so is a “natural” thing to happen.
  • If you will need to, you can restore the warranty by downgrading to the stock ROM, or by updating with an official update released by Google and LG for your Nexus 4.
  • Also, download and install a custom recovery image on your phone as the CM10.1 update can be flashed only by using the CWM recovery tool (you have more details about how to use a recovery image during the proper steps from below).
  • These were the most relevant preparation tasks. Now, take care of the general pre requisites.
  • Make sure you can use a computer for downloading some files.
  • On the same computer and also on your handset deactivate, or even uninstall the security protection (antivirus and Firewall protection included).
  • Then, on your Nexus 4 enable the USB debugging option from the “Setting” menu.
  • Charge the battery of your phone, or at least ensure that there is minimum 60% power left in the system; else the device might get turned off in the middle of the update operation.
  • Install the Android 4.2 Jelly Bean based CM10.1 software only for the LG Google Nexus 4 as this guide works only for the mentioned smartphone. If you try to update another device by using this tutorial you will end up in bricking it.

How to Update Google Nexus 4 with CM 10.1 Jelly Bean 4.2 Custom ROM Firmware

  1. Download the update file (use this link) and the Google Apps package from here to your computer.
  2. Make sure you have both files downloaded.
  3. Then, connect your phone with the PC by using its USB cord.
  4. Now, select the downloaded files from the computer and copy-paste them to your phone.
  5. Unplug the USB cable.
  6. Turn off the Nexus 4, or just reboot in recovery mode.
  7. For that you first need to boot in bootloader mode by pressing the Volume down and Power buttons together till the screen turns on; then from the menu that will be displayed choose “recovery”.
  8. Once the recovery mode is being displayed you can start the update operation.
  9. So, select “wipe data factory reset” and “wipe cache partition”.
  10. Then, return to the main menu (“+++go back+++”) and select “install zip from SD card” followed by “choose zip from SD card”.
  11. Pick the CM10.1 update file and install the same. The process should take a couple of minutes so stay calm.
  12. Then, repeat the operation for flashing the Google Apps package too.
  13. Don’t make any other changes in recovery.
  14. When all the installation procedures are over, select “+++go back+++” and “reboot system now”.

That was all for now. Your LG Google Nexus 4 has been safely updated to custom Android 4.2 Jelly Bean OS with CM10.1 custom ROM firmware. Remember that this is not the official and stable version of the CM 10.1 software, so test the new platform for seeing if there are bugs or issues into the system. Share the problems with us and with other users by using the comments area from below. Also, stay close as we will bring more tutorials suitable with your Nexus 4 during the next few days.

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