These are the 6 best custom ROM for Nexus 5 based on Android Nougat 7.1.1 and marshmallow including lineage os rom.The LG Google Nexus 5 is powered by 2.26GHz quad-core Qualcomm Snapdragon 800 processor and it comes with 2GB of RAM. The phone packs 16GB of internal storage cannot be expanded. As far as the cameras are concerned, the LG Google Nexus 5 packs a 8-megapixel primary camera on the rear and a 1.3-megapixel front shooter for selfies.

Best Custom ROMs for Nexus 5

1. DARKROM
2. AOSP
3. NitrogenOS
4. Euclidean
5. MIUI
6. XOSP

1.DARKROM For Nexus 5

How to Install DARKROM on NEXUS 5

• Download and transfer the Darkrom ROM and Gapps for nougat you wish to flash to your device’s storage.
• Boot your device into TWRP recovery.
• Select “Wipe” from TWRP main menu and do a “Swipe to Factory Reset” on the bottom of screen.
  └ Note: This will factory reset your device. If your custom ROM doesn’t require a factory reset, then simply skip this step.
• Go back to TWRP main menu, tap on “Install” and select the Lineage os  ROM .zip file and gapps for nougat that you transferred to your device in Step 1.
• After selecting the .zip file, do “Swipe to Confirm Flash” on the bottom of screen to begin the custom ROM installation process. This may take some time.
• Once your ROM is successfully flashed, you’ll see “Wipe cache/dalvik” option, select it and then do “Swipe to wipe” on bottom of screen.
• Once cache & dalvik wipe completes, hit the “Back” button on-screen and then select “Reboot System” button. 

• Download Links-Download Dark Rom for Nexus 5
• Download gapps for nougat

2.AOSP Android Nougat [Android 7]

How to Install AOSP on NEXUS 5

• Download and transfer the Darkrom ROM and Gapps for nougat you wish to flash to your device’s storage.
• Boot your device into TWRP recovery.
• Select “Wipe” from TWRP main menu and do a “Swipe to Factory Reset” on the bottom of screen.
  └ Note: This will factory reset your device. If your custom ROM doesn’t require a factory reset, then simply skip this step.
• Go back to TWRP main menu, tap on “Install” and select the Lineage os  ROM .zip file and gapps for nougat that you transferred to your device in Step 1.
• After selecting the .zip file, do “Swipe to Confirm Flash” on the bottom of screen to begin the custom ROM installation process. This may take some time.
• Once your ROM is successfully flashed, you’ll see “Wipe cache/dalvik” option, select it and then do “Swipe to wipe” on bottom of screen.
• Once cache & dalvik wipe completes, hit the “Back” button on-screen and then select “Reboot System” button. 

• Download Links: Download AOSP ROM
• Download gapps for nougat

3.Nitrogen OS

How to Install Nitrogen OS on NEXUS 5

• Download and transfer the Darkrom ROM and Gapps for nougat you wish to flash to your device’s storage.
• Boot your device into TWRP recovery.
• Select “Wipe” from TWRP main menu and do a “Swipe to Factory Reset” on the bottom of screen.
  └ Note: This will factory reset your device. If your custom ROM doesn’t require a factory reset, then simply skip this step.
• Go back to TWRP main menu, tap on “Install” and select the Lineage os  ROM .zip file and gapps for nougat that you transferred to your device in Step 1.
• After selecting the .zip file, do “Swipe to Confirm Flash” on the bottom of screen to begin the custom ROM installation process. This may take some time.
• Once your ROM is successfully flashed, you’ll see “Wipe cache/dalvik” option, select it and then do “Swipe to wipe” on bottom of screen.
• Once cache & dalvik wipe completes, hit the “Back” button on-screen and then select “Reboot System” button. 

That’s it! Your Nexus 5 should now have Android 7.0 NitrogenOS Nougat custom ROM installed on your phone! Go to Settings > About phone to verify.

• Download Links–Download nitrogen OS for Nexus 5
• Download gapps for nougat

4.Euclidean

How to Install Euclidean on NEXUS 5

• Download and transfer the Darkrom ROM and Gapps for nougat you wish to flash to your device’s storage.
• Boot your device into TWRP recovery.
• Select “Wipe” from TWRP main menu and do a “Swipe to Factory Reset” on the bottom of screen.
  └ Note: This will factory reset your device. If your custom ROM doesn’t require a factory reset, then simply skip this step.
• Go back to TWRP main menu, tap on “Install” and select the Lineage os  ROM .zip file and gapps for nougat that you transferred to your device in Step 1.
• After selecting the .zip file, do “Swipe to Confirm Flash” on the bottom of screen to begin the custom ROM installation process. This may take some time.
• Once your ROM is successfully flashed, you’ll see “Wipe cache/dalvik” option, select it and then do “Swipe to wipe” on bottom of screen.
• Once cache & dalvik wipe completes, hit the “Back” button on-screen and then select “Reboot System” button. 

Download Links-Download Euclidean OS for nexus 5

5.Lineage OS

How to Install Lineage os on NEXUS 5

• Download and transfer the Darkrom ROM and Gapps for lineageos you wish to flash to your device’s storage.
• Boot your device into TWRP recovery.
• Select “Wipe” from TWRP main menu and do a “Swipe to Factory Reset” on the bottom of screen.
  └ Note: This will factory reset your device. If your custom ROM doesn’t require a factory reset, then simply skip this step.
• Go back to TWRP main menu, tap on “Install” and select the Lineage os  ROM .zip file and Gapps for lineageos that you transferred to your device in Step 1.
• After selecting the .zip file, do “Swipe to Confirm Flash” on the bottom of screen to begin the custom ROM installation process. This may take some time.
• Once your ROM is successfully flashed, you’ll see “Wipe cache/dalvik” option, select it and then do “Swipe to wipe” on bottom of screen.
• Once cache & dalvik wipe completes, hit the “Back” button on-screen and then select “Reboot System” button. 

• Download links-Download lineage Os for nexus 5
• Download Gapps for Lineage os

6.XOSP

How to Install XOSP on NEXUS 5

• Download and transfer the Darkrom ROM and Gapps for marshmallow you wish to flash to your device’s storage.
• Boot your device into TWRP recovery.
• Select “Wipe” from TWRP main menu and do a “Swipe to Factory Reset” on the bottom of screen.
  └ Note: This will factory reset your device. If your custom ROM doesn’t require a factory reset, then simply skip this step.
• Go back to TWRP main menu, tap on “Install” and select the Lineage os  ROM .zip file and gapps for marshmallow that you transferred to your device in Step 1.
• After selecting the .zip file, do “Swipe to Confirm Flash” on the bottom of screen to begin the custom ROM installation process. This may take some time.
• Once your ROM is successfully flashed, you’ll see “Wipe cache/dalvik” option, select it and then do “Swipe to wipe” on bottom of screen.
• Once cache & dalvik wipe completes, hit the “Back” button on-screen and then select “Reboot System” button. 

That’s it! Your Nexus 5 should now have Android 6.0.1 XOSP Marshmallow custom ROM installed on your phone! Go to Settings > About phone to verify.

• Download Links–Download XOSP for Nexus 5
• Download Gapps for marshmallow

So these are the best custom rom for nexus 5. We hope you like it !