ITS ABOUT YU: HOW TO PERFECTLY INSTALL CYANOGEN OS 12.1 ON YU YUPHORIA ON ANDROID

I think many of the Yuphoria On Android users failed to install cyanogen OS
But Today You can Install Cyanogen OS 12.1 on Yuphoria Android by Watching this Thread.
U will Successed 100% for Sure.
Flashing Cyanogen OS will not Void your Warranty said by YU.
But I am Not Responsible for Your mistakes...........

Follow the Instructions:

GO to settings.
"about phone"option.Tap on Build number 7-8 times to enable developer option.
Now enable OEM unlock
Enable USB debugging
Now From the PC/Laptop.
install adb And Fastboot drivers from the link below.
http://www.mediafire.com/download/0xltq19dsgtuu16/adb-setup-1.4.3.exe
Run as Administrator. and click Yes For all options in installation.
Next download Qualcoom Drivers for Yuphoria.
link below:
http://www.mediafire.com/download/qpy4y4qqio02tcy/YUPHORIA_drivers-v1.0.zip
Next extract and open 72 Folder And Click on Setup
After installing Download cm-12.1-YOG4PAS47N-lettuce-signed-fastboot-5d674b9b61.zip
now download flash tool from link below:
http://www.mediafire.com/download/zwizlnfywjokonr/Flashtools.zip
Now extract cm-12.1-YOG4PAS47N. zip and factory-image-flash-tools-yuphoria-lollipop-windows-flashtools.zip
Now place Both of the files in the same folder.
Drivers Should Be Installed Correctly and enable android debugging and connect ur phone to pc.
next in pc Go to device manager and see the device connected and do not check portable devices
if it not shows disconnect ur device and connect ur device and see the difference
next right click on the device and update device driver next click browse my computer for device software next click android devices
next click google inc. and click android bootloader interface and click ok the device driver successfully updated.
Now go to the folder u placed both the files.
now shift+right click combindly means u need to press shift then right click and the click on open command window here.
then in cmd (command Window) type adb devices and press Enter
now ur device will shows up in cmd as ExCK12NIWDP) Device
if it shows as unauthorized in cmd go to device and check always allow from this computer and press ok in device(yuphoria).
now again type adb devices
it shows as dhtyr1248da1 Device
u need to see only device in cmd not the letters or numbers
now type adb reboot bootloader and press Enter
now close cmd Window and click on unlock bootloader in the folder
press volume up key to unlock bootloader.it will wipe all your data
next click on flash all.bat file in the folder.
it will install the firmware of Cyanogen OS 12.1
WARNING: Do not Disconnect ur device while installing firmware
after installing at last it may or may not say waiting for device
if it says waiting for device for 3-4 minutes
Disconnect ur device and remove battery and again restart the device.
it will take 2-3 mins in first boot.
after that set the language , sim cards etc.
now it is finished .......................
enjoy the cyanogen os on YU Stock Android.
next again go to settings and about phone option and tap on build number 7 times to enable developer options.
in developer options enable advanced reboot and android debugging and connect to PC with usb
next install YU ware app for pc link below
http://www.mediafire.com/download/iipq8x393fq8d5l/Yuware™_v2.8_setup.exe
in yu ware app select yuphoria
next click on reboot to bootloader in reboot options
next click lock bootloader in fastboot options
disconnect USB cable
remove battery and place again and switch on the phone
u can install OTA updates in the future if u lock the bootloader