Install Lineage OS Android 7.1 Nougat Custom ROM on LG G4 H815

An unofficial build of Lineage OS is now available for the LG G4. The lineage OS is the new name for CyanogenMod ROM. The Lineage OS ROM is based on the same source code as CyanogenMod. Lineage OS build custom firmware for LG G4 (h815) users which is based on Android 7.1 Nougat. So now LG G4 users can enjoy the latest Android OS experience on thier devices. Many users have installed and tested this latest custom firmware and found it very smooth, fast and stable. This is not officially announced by Google but it’s just a custom ROM. Your LG G4 should be Rooted & have the latest version of a Custom Recovery already installed in order to flash the Lineage OS Android 7.1 Nougat custom ROM on your phone.

By following this step by step guide, you can easily update your LG G4 to Lineage OS Android 7.1 Nougat custom ROM. Also, you’ll be glad to know that the ROM is free of bugs and errors. Before proceeding, don’t forget to take a full backup of all your valuable data. Because while installing this custom ROM your data will be wiped and your phone will look like a clean and brand new mobile. If you are interested in installing Lineage OS Android 7.1 Nougat custom firmware on LG G4 then go ahead and follow the given steps.

Install Lineage OS Android 7.1 Nougat Custom ROM on LG G4 H815 1


This guide containing the Lineage OS Android 7.1 Nougat ROM and instructions are working with LG G4 only. Do not try to install this unofficial firmware on any other device or incorrect variant. Check the model number of your device first (h815) .


AndroidBlog will not be responsible for any damage occurred to your LG G4 (h815) during or after the installation of Lineage OS Android 7.1 Nougat custom build. Proceed at your risk.


  • Make a proper backup of all your important data and settings before proceeding to the installation guide using a recommended custom recovery like TWRP or CWM.
  • Download and install LG G4 USB Drivers on the PC.
  • Enable USB Debugging on the LG G4 on the PC by navigating to Settings > Developer Options > check USB Debugging option.
  • The LG G4 should be rooted with the latest version of custom recovery installed.
  • The bootloader of your G4 should be unlocked.
  • The latest version of CWM or TWRP custom recovery must be installed on LG G4.
  • Check the battery level of your device; it should be charged at least about 80% to prevent unexpected shutdowns while installing the Lineage OS Android 7.1 Nougat ROM.

Required Files:

Download Lineage OS Custom ROM For LG G4
Download Google Apps

Steps to Install Android 7.1 Nougat Lineage OS custom ROM on LG G4 (h815) :

Step No 1: – First, download the Lineage OS Android 7.1 Nougat ROM ( and Google Apps package from the above links on the desktop of your computer.

Step No 2: – Make a connection between your LG G4 and computer using USB data cable.

Step No 3: – Transfer the downloaded files to your phone.

Step No 4: – Once the files are copied, disconnect the device from the PC.

Step No 5: – Power off your device to boot into recovery mode.

Step No 6: – Power ON the device while pressing and holding Power and Volume down buttons at the same time.

Step No 7: – When the LG logo appears, release the keys and immediately press Power and Volume Down buttons again until the Hard Reset menu will be displayed.

Step No 8: – Press Power button once and confirm the hard reset operation. Done, your LG G4 will boot into recovery mode.

9: – Now select the “wipe data factory reset, “wipe cache partition” and “wipe Dalvik cache” options.

Step No 10: – Go back to the main menu of Recovery. Select “install zip from SD card” followed by “choose zip from SD card.”

Step No 11: – Locate the download firmware file that you have already transferred to your phone and begin the installation process.

Step No 12: – Repeat the last step and flash the Google Apps package.

Step No 13: – Navigate to main recovery menu and choose “reboot system now.”

Done! You have successfully installed the Lineage OS Android 7.1 Nougat firmware on your LG G4 (h815) . Let us know in the comments area below if you have any issues or questions.

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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