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Flash Official CM 10.2 Nightlies for Google Nexus 4

CyanogenMod 10.2 Nighlty builds are now available for the Google Nexus 4 smartphone and you can flash the latest build using the tutorial listed below. Make sure to use this post only if you’re an advanced Android user who wants to test the latest releases of CM team along with AOSP Android 4.3 features.

This is not a stable release of CM 10.2, but a Nightly build that’s in its testing phase and you should expect to find some bugs and errors while using it.

In order to make sure that you successfully update your device, you will first need to take a look at the guidelines below. You will learn what you need to do before starting the update. Here’s what you need to do:

  • This guide will work only with the Google Nexus 4 smartphone. Do not attempt to update any other device using the files you find here are you will end up bricking the firmware.
  • Your Nexus 4 has to factory unlocked, rooted and running a custom Recovery.
  • Both CWM and TWRP Recoveries will work with this post.
  • In the ‘how-to’ part of this post you will find a step that asks you to wipe data and factory reset your device. This is required if you’re coming from a different ROM.
    > Note: if you’re already running a previous build of the CM 10.2 Official nightlies, then you can skip this step. But, in case the device doesn’t boot with the new OS, then you simply need to repeat the entire tutorial without skipping the ‘factory reset’ step.
  • The ‘factory reset’ will remove all contents from your device’s system partition. This will delete all installed apps data, SMS etc.
  • To backup SMS, Call Logs info and APN Internet Settings use the following apps for Android: SMS backup & restore | Call Logs backup & restore | APN Settings Backup & Restore | AppBack for Android application. Root access is needed for some of these apps.
  • Sync your Contacts data with the Gmail account assigned as default on your Nexus 4.
  • The phone’s battery power levels should be over 50% before starting the installation of CM 10.2 Nightlies ROM. If the phone powers off in the middle of the updating process, then you will be forced to repeat the entire tutorial.
  • This is a tutorial for advanced users who want to test the first official CM 10.2 Nightly build for the Nexus 4 along with Android 4.3 AOSP functions.
  • Do not skip any steps listed below.
  • Note that we cannot be blamed in case you brick your device nor in case you lose any important data files during the process.
  • If you cannot complete the update, then you should ask for extra help in comments.

These were all the preparation steps you had to go over before starting the updating process. Read this entire post and note that the Nightlies builds of CM 10.2 might pack some bugs or errors, which is why you should always create a NANDROID backup before installing any new version. Info on how to create NANDROID backup can be found in the tutorial.

How to flash Official CM 10.2 Nightlies ROM based on Android 4.3 for the Google Nexus 4:

  1. Download the CM 10.2 Nightly ROM from here. Get the latest build.
  2. Download Gapps for CM 10.2 from here.
  3. Connect your smartphone with your PC via USB Cable.
  4. Move both zip files on your device’s internal storage. Do not extract the archived contents.
  5. After the files are copied, disconnect the smartphone from PC.
  6. Power off your Nexus 4 now.
  7. Boot the device into Bootloader Mode then into CWM / TWRP Recovery Mode.
    > if you don’t know how to do it, then you can follow the info listed here.
    > CWM and TWRP Recovery are working with this guide so it doesn’t matter which one you use.
  8. First thing that you need to do is to create a full NANDROID Backup of the ROM that is currently installed on your:
    > for CWM Recovery: select ‘backup and restore’ option. Confirm the process.
    > for TWRP Recovery: press Backup, then select the system parts you wish to save. Confirm.
    – this process is highly recommended as your device can be restored using the backup file in case it doesn’t boot with the CM 10.2 Nightly ROM.
  9. Now, apply ‘factory reset’ for your Nexus 4:
    > CWM Recovery: select ‘wipe data/ factory reset’. Confirm.
    > TWRP Recovery: press Wipe, then Factory Reset. Confirm the process.
  10. Next, install the CM 10.2 Nightly ROM:
    > CWM Recovery: select ‘install zip from sdcard’, then ‘choose zip from sdcard’. Find the CM 10.2 Nightly zip and confirm the installation.
    > TWRP Recovery: press ‘install’ then you need to browse the internal storage contents. Find the CM 10.2 Nightly and load it into TWRP. Begin the installation by sliding the blue button at the bottom of the screen.
  11. The CM 10.2 Nightly ROM will install in a few minutes. After the installation is complete you should repeat step 10 and flash the Gapps zip as well.
  12. When both files are installed, return to the main Custom Recovery Screen.
  13. Reboot your smartphone now. Select ‘Reboot system now’ option for CWM Recovery or press ‘Reboot’, then ‘System’ for TWRP Recovery.
  14. Now that first boot process of the CyanogenMod 10.2 Nightly ROM will start and it shouldn’t take more than 5 minutes to load all the required files.
  15. When the home screen appears, enter your Google Account details and take control over your device.
  16. Test all the new features and then tell us in comments how’s your Nexus 4 working with this new build of CyanogenMod 10.2 Nightlies ROM.

These were the steps that you had to take in order to successfully update your smartphone. In case you have any problems during the update or you can’t seem to find some of the options listed above, then you should ask for more help in comments.

Note that you can continue to update the installed CM 10.2 Nightly ROM using the CM Updater option. It can be found through Settings, then open CyanogenMod Updates menu. Search for a brand new CM 10.2 Nightly release, start the download and then click once to begin the updating process.

In case your device doesn’t work as you would have expected it to with this new ROM, then you can always use the NANDROID Backup file created in step 8 to restore the previously installed ROM.

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