CyanogenMod team continues to support Nexus 4 users and they are now releasing the new CM 14.1 Nougat Experimental ROM builds.

If you want to learn how to successfully flash this custom ROM on your device, then you should check the instructions listed in this article. The CM 14.1 Experimental update is based on the Android 7.1 Nougat releases, but you will find tons of extra features that will greatly improve your Nexus 4 experience.

Before starting the installation process of this new custom ROM you need to check the following guidelines:

  • use this tutorial only with the Google Nexus 4 devices.
    - do not attempt to update any other devices with the files that you will find in this post.
  • your device has to be on a rooted firmware and it should run a TWRP Custom Recovery image.
    - the custom TWRP Recovery needs to be upgraded to its latest version, so that it will support the latest Android 7.1 Nougat installation process.
  • in the how-to part of this post you will find two extra preparation steps: NANDROID Backup and the Factory Reset ones.
    - the NANDROID Backup process creates a full restore point for your device, one that you can use in case you end up bricking the device.
    - the Factory Reset process wipes the system partition, it deletes the custom ROM and it helps your device boot the phone in normal mode.
    - the Factory Reset won't delete any data from the internal storage of your process.
  • in case you need to save data from installed apps, then you should use the Helium app for your device.
  • use this tutorial only if you are an advanced user, we cannot be blamed in case you brick the device in the process.
  • read the whole process and do not skip any steps.
  • check battery life of your phone, make sure that there is at least 50% battery charge left, so that the Nexus 4 won't switch off during installation.

How to install CM 14.1 Experimental Android 7.1 ROM for Google Nexus 4:

  1. Download CM 14.1 Experimental ROM zip from here.
  2. Download Gapps for Android 7.1-based ROMs from here.
  3. Move both zip files to your phone's internal storage.
    - don't extract the archived contents of these files.
  4. Power off the Nexus 4 and boot it in TWRP Recovery Mode.
  5. First you need to create a NANDROID Backup for your device. Select 'backup', select the files you wish to save and confirm the process.
  6. Factory Reset your Nexus 4 by selecting 'wipe data/ factory reset' process. Confirm.
  7. Now you can begin the CM 14.1 Experimental installation process: select 'INSTALL' menu.
  8. Find the CM 14.1 Nightly ROM zip for Nexus 4 (mako) devices and load it in TWRP.
    Confirm the flashing process.
  9. After the new custom ROM is done installing you can install the Gapps zip, too.
    Use the same actions as in step 8 in order to complete Google apps installation.
  10. When the installation is done you can reboot your smartphone in normal mode.
    - note that the first boot process of this new custom CM 14.1 ROM will take a while before it loads all the new files.

These were all the steps that you had to follow in order to complete the Android 7.1 CM 14.1 ROM installation for your Nexus 4 devices.

If the installation fails you need to repeat the whole tutorial more than once. Make sure that in case you are repeating installation, then you will have to make sure that your phone meets all requirements, and that you won't be skipping any steps.

After you finish installing the CM 14.1 Experimental Nougat custom ROM you can go to CyanogenMod Updates menu under Settings section. Use CM Updates option to look for newer CyanogenMod 14.1 releases, and if there is one ready to install your device will take care of the rest of this process automatically.

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