How to Install Kangakat Custom ROM on Google Nexus 5

Tools Requirements:- 
1. Charging your device battery up 80%.
2. Install your devices driver in your computer:- Click here to Download
3. Your device must be rooted and install CWM Recovery.
Must Read:- How to Install ADB Drivers of any Android device with PdaNet. 

Must Read:- Howto Install CWM Recovery in Google Nexus 5. 
Must Read:- Howto Root Google Nexus 5. 
4. Download Kangakat Custom ROM:- Click Here to Download
Installation Process:-

1.      Backup Up to all Data.(Current OS)

2.   Use CWM to take a backup of your existing ROM. This is required, because you can use it to flash back your original ROM in the case of any problem to install new ROM.

3.      Download Kit Kat OS Custom Rom and copy & Paste in your internal SD card.

4.      Now Switch OFF your Devices.

5.      Now open your Devise in CWM recovery. Click Here to Guide

6.      Then Press Volume UP Button to recovery Mode.

7.      Then Go to Back up and Restore.

8.     Then Press Backup your Devices. (Just wait 10 to 15 minutes)

9.      After complete your back up process the press go back.

10.  Then go to wipe data/factory reset. ------>Yes, after complete then go back.

11.   Then go to wipe cache partition. -------> Yes, after complete then go back.

12.  Then go to Advanced---->Wipe Dalvik Cashe--->Yes, after complete then go back.

13.  Then go to mounts and storage. -----> Format System----->Yes, after complete then go back.

14.  Then go to install Zip from sdcard. ---->Choose zip from sdcard. ---->Select Zip file to sdcard.

15.   Select Costume Rom. ---->Yes to Install this rom in your Device. see this message

16.  Install from sdcard complete

17.   Reboot your Devices.

Just wait 5 to 10 minutes to complete this process. after complete this process the go
back---> Press reboot system now (Wait for 15 to 20 Minutes because first time booting so don't worry)

Enjoy Your Google Nexus 5 Successfully Install Kangakat Custom ROM.

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Note: - I am not responsible if you make any mistake and damage or any other problem your device.