Update Nexus 4 To Android 7.1.1 Nougat via Carbon ROM Custom Firmware

The carbon ROM team is back with their latest build custom firmware released. This Carbon ROM is based on Android 7.1.1 Nougat and now available for Google Nexus 4 devices. Nexus 4 devices have stopped getting new Android OS upgrades since a long time by Google. But all thanks to the Carbon ROM Team to build the latest Android 7.1.1 Nougat custom ROM for Nexus 4. Now you can test the latest Android Nougat OS on your Nexus 4 smartphone. You’ll find the best new customization and all of the AOSP Android 7.1.1 features in this Carbon ROM. Many users have installed the ROM and found it quite stable and everything working fine on Nexus 4. This ROM is not officially announced by Google but just a custom ROM.

By following this step by step guide, you can easily install Carbon ROM Android 7.1.1 Nougat on Nexus 4. Your device must be rooted, and a custom recovery like TWRP or ClockworkMod (CWM) should be already installed on it. Official builds are always good but custom ROMs make your device better and bring new features as well as many system tweaks that are not possible to get in the official firmware. Before proceeding, keep in mind to take a full backup of all your valuable data. If you are interested in updating your Nexus 4 to Android 7.1.1 Nougat Carbon ROM then go ahead and follow the given steps.

Update Nexus 4 To Android 7.1.1 Nougat via Carbon ROM Custom Firmware 1


  • Make a proper backup of all your important existing data on Nexus 4.
  • The stock Marshmallow OS version should be installed on Nexus 4.
  • Download and install USB drivers for Nexus 4 on your computer.
  • The Nexus bootloader should be unlocked.
  • Enable USB debugging option by pressing Menu > Settings > Applications. Navigate and tap on Developer Options to ensure that USB Debugging is enabled.
  • You Nexus 4 must be rooted, and the latest build of either CWM or TWRP Recovery should be pre-installed on it to flash a brand new Android 7.1.1-based custom ROM.
  • For this firmware installation, you will also need to factory reset the phone.
  • Finally, ensure that your Nexus device carries more than 70% of charge.


Please note that this guide can be used only for the Google Nexus 4 devices. Don’t use the firmware file given in this guide for any other device or incorrect variant. Do note that you will experience some force close errors while running this Nougat firmware on your Nexus 4.

Required Files:

  • Download Carbon ROM Android 7.1.1 custom ROM file from here.
  • Download Gapps for Android 7.1.1 ROMs from here.

Steps To Install Carbon ROM Android 7.1.1 Nougat Custom ROM on Nexus 4:

Step No 1: – Download Carbon ROM Android 7.1.1 custom ROM and Gapps for Android 7.1 ROMs from the above links given on the desktop of your PC. (Make sure to select the Android 7.1.1 OS version) while downloading Google Apps package.

Step No 2: – Connect the device to your PC and copy/paste both files to the phone’s internal storage. Do not unzip the files.

Step No 3: – Disconnect the phone from PC and turn it OFF to boot into Recovery Mode.

Step No 4: – Turn ON the phone while pressing and holding Volume Up + Volume Down + Power buttons at the same time.

Step No 5: – While your Nexus 4 is in Bootloader / Fastboot main screen, press Volume Up to enter into Recovery mode. Then press Power to boot the Recovery Mode.

Step No 6: – Once in Recovery Mode, make an NANDROID Backup for the installed ROM by navigating to ‘backup and restore’. Then set the file name and confirm process to begin the backup.

Step No 7: – Next, Factory Reset Nexus 4 and proceed to flash the Android 7.1.1 custom ROM.

Step No 8: – In CWM Recovery, select ‘install zip from sd card’, then ‘choose zip from sd card’. Find the Android 7.1.1 custom ROM file and confirm the installation process to begin.

9: – Once the Android 7.1.1 firmware installation is completed, repeat the above steps to flash the Gapps zip on your Nexus 4.

Step No 10: – After installation is successfully finished, reboot the device in normal mode.

Step No 11: – Finally, flash the SuperSU Stable from here to get root access to the internal file system of your Nexus 4 to remove the factory restrictions and permission to install tonnes of third-party apps.

Let us know in the comments area below if you have any issues or queries while installing this custom ROM on your Nexus 4.


Bhatti Junaid

He continuously writes tech articles and development code. Also, appreciates excellent food, exceptional coffee and great company. He has written 266 guides and other posts.

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