But, wait… I write here for my own reference, so if you want to try and follow this reference, DO IT AT YOUR OWN RISK.. [emoji expressionless face]
- Download and extract Android SDK. Make sure you could find fastboot tool in {AndroidSDKfolder}/sdk/platform-tools
- Download CWM Recovery for NEXUS 5, and put it in the folder where you found fastboot above.
- Enable USB Debugging Mode, find in Setting > Developer Option
- Download a zip file of SuperSU (UPDATE-SuperSU-v1.80.zip)
- Connect your Nexus 5 to your PC/Laptop, and then copy/paste the downloaded SuperSU zip file to SDcard in your Nexus 5.
- Turn off your Nexus 5.
- Now, set your Nexus 5 to Fastboot/Bootloader mode by holding Volume Down + Power buttons together until you got a red text “Fastboot Mode”.
- Install the CWM Recovery : use the Terminal or CommandPrompt in your PC/Laptop, goes to the folder where you found the fastboot tool and then type following commands.
- When, it’s done, select Recovery menu in your Nexus 5 (use Volume Up/Down for scrolling and Power button to select).
- In Recovery menu, select “Install zip”, and then browse to the SDcard folder where you have put the SuperSU zip file. Select the file and confirm the installation to begin.
- When it’s done, select “++++++Go Back+++++”, and reboot you Nexus 5 by selecting “reboot system now”.
- It may take time for the first reboot, but once your phone is up, do reboot again.
fastboot flash recovery recovery-clockwork-6.0.4.5-hammerhead.img