Based on Android 7.1 Nougat, teamCyanogenModhas now released the official CM14.1 Nightly builds for Nexus 5X. You can now update Nexus 5X to Android 7.1 based CM14.1 Nougat custom ROM.Do note that this is a Nightly build. You might experience some features not working properly. Before proceeding, please visit the official CyanogenModsite for more details and bug reports.

Before you update Nexus 5X to Android 7.1 CM14.1 ROM

Create a backup of your data for when you run into some problem during the process.Make sure that yourNexus 5X has at least 80% of battery life.Your deviceshould be rooted.You will need a recovery tool like TWRP (preferred) or CWM.Nexus 5X bootloadershould be unlocked.Make sure to enableUSB Debuggingon your Nexus 5X.

Steps to update Nexus 5X toCM14.1 Nougat ROM

Required files:downloadCM14.1 Android 7.1 Nougat custom ROM for Nexus 5X on your PC. Also, downloadGoogle Appsfor your device.

Step 1:Connect yourNexus 5X to your PCusing USB cable and copy the downloaded filesto the internal storage of your device. Poweroff your device and unplug from the computer.

Step 2:Boot your Nexus to Recovery mode: press and holdPower,Volume UpandVolume Downbuttons. Release them when you see the Bootloader or Fastboot menu. Use volume keys to navigate and Power button to select a choice. SelectBootloader>Recovery.

Step 3:SelectBackup and Restoreto perform Nandroid Backup and then go back to themain menu. Next, wipe data by selectingwipe data/factory reset. Also,wipe cache partitionto perform cache wipe. Finally, Delvik Cache should also be wiped fromAdvanced>Wipe Delvik Cache.

Step 4:Now, selectInstall zip from sdcard>choose zip from sdcardfrom the main recovery menu. Locate the CM14.1 Android 7.1 custom ROM.Select and confirm.

Step 5:Follow the above step for installing GApps. After you are done,selectreboot system nowto reboot your Nexus 5X. It will take some time to load all files as this is the first boot after flashing, so don't be worried if it takes longerthan usual.

You can update your Nexus 5X to any future CM14.1 updates from Settings > About Phone, like you install the official OTA updates.