Guide: Unbrick and Restore Stock Cyanogen OS on YU Yureka

Previously I posted Guide: Root Yu Yureka - Updated. If you already followed these method and enjoying your phone with some mods and other tweaks or enjoying some other Custom ROM on your device, and want to go back to the stock firmware. Today in this guide we;ll show you a simple and easiest method to restore the Cyanogen OS on YU Yureka Micromax. The guide is very easy and doesn’t requires using any commands or a toolkit. A simple script will let you automatically flash the stock firmware on Yureka in less than 2 minutes. You can use the same guide on your Bricked devcie and install the official stock firmware in a few minutes.

Note: This guide will WIPE entire data on your phone, except any data stored on the external microSD card. Before proceeding, make sure your phone is charged and you’ve taken a backup of your important data. Read all the instruction very carefully and follow all the steps one by one on your phone.

Prerequisites: 

• As this process wipes your device back every important files on your Yu Yureka
• This process requires unlocked bootloader (read here to know how to unlock the bootloader)
• Install proper driver for Yureka on your Windows PC.
• Flash Tool, Download Here
• Factory Image (.zip), Download here. (Download only cm-11.0-XNPH05Q-tomato-signed-fastboot.zip).

Flash Cyanogen OS on YU Yureka Micromax

1. Download the flashtools and stock firmware zip file from CyanogenMod.
2. Unzip the flashtools zip file in a new folder on your PC. Also, unzip the stock firmware zip file in the same folder.
3. Now, Turn off your phone. Press the Volume Up key and at the same time connect your phone to your PC using a USB cable.
4. You should see the fastboot logo on your phone. If not, try it again.
   
5. Now, go to the folder where you extracted the flashtools and stock firmware and run the “flash-all.bat” by double clicking on it.
   
6. A command window will open and start the flashing process (Do not disconnect your phone from PC)
7. Once the process is completed, the command window will close automatically.
8. Disconnect your phone from PC and boot it. It will take up to 5 minutes for the first time.

You have now restored the stock firmware on your Yu Yureka. Enjoy! If you have any query regarding above procedure leave it in the comment section below.