Update Nexus 5 to Android Nougat 7.1 (Euclidean OS) custom ROM

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Lollipop 5.1 was the last official update Nexus 5 has received. It goes to 5-th generation of Android OS, while most of the latest flagships soon are going to receive 7-th generation Android update called Nougat.
That’s why we made this tutorial, helping you to early line up Nexus 5 between smartphones running latest Android OS.
Note: Euclidean OS build is unofficial Android Nougat 7.1 update and should be treated as such.
Warning: This tutorial is only for Nexus 5 model.
Update process will erase device internal storage, so it’s strongly recommended to backup your data to device microSD card or PC before starting this tutorial.

Prerequisites:

• Nexus bootloader must be unlocked. This tutorial shows how to do it.
• Nexus must have TWRP recovery installed and device must be rooted. Follow this tutorial to do it.
• Device should have at least 60% charge left on the battery.
• USB Debugging must be enabled. Go to Settings/About/Software Information/More and keep tapping on Build number until you see that Developer options was enabled. Then go to Settings/Developer Options and check USB Debugging.

Tutorial:

  1. Download Android Nougat 7.1 (Euclidean OS) custom ROM zip file to PC or straight to mobile device.
  2. Place file into device internal storage.
  3. Boot Nexus 5 into recovery: Turn it off, press and hold Volume Down and Power buttons simultaneously until recovery screen shows up.
  4. Now, use the volume buttons to highlight Recovery and press Power to enter TWRP.
  5. Make a current software backup, so you will have a recovery file in case if something goes wrong. Tap on Backup and select all the partitions including System, Data, Boot and Cache. Then swipe to make a backup. TWRP backup
  6. After backup is done, go back to main menu and select Wipe, then choose Advanced Wipe and check System, Data, Cache and Dalvik Cache partitions. TWRP wipe
  7. Swipe and wait for the wiping process to complete.
  8. Next, go back to main menu and choose Install, then locate Android Nougat 7.1 (Euclidean OS) custom ROM zip file. 
  9. Tap on it and swipe to begin custom ROM installation process. TWRP install
  10. After process is complete, go back to main menu and tap on Wipe, then choose Advanced Wipe.
  11. Check Cache and Dalvik Cache partitions, then swipe to confirm. After wiping is done, go back to main menu ant tap on Reboot to reboot Nexus 5.
  12. First startup can take up to 15 minutes, so be patient.

Congratulations on successfully updating Nexus 5 to Nougat 7.1 custom ROM!

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