How to Unbrick and Restore YU Yureka to Cyanogen OS 11 Stock Firmware

Few Days Back, Yu released CM12 officially for Yureka devices, many users got the OTA update but still many haven’t got yet. So many people tried to update manually, which is also official one.

In case, you’ve bricked Micromax Yureka or if your YU Yureka is stuck in a bootloop while updating manually or flashing roms then this guide is what you all need. The below stated procedure allows you to flash the official Cyanogen OS 11 factory image on Yureka and help you restore it back to factory condition.

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. If you’ve a custom recovery installed or your phone is rooted then that will be replaced to default state as well. The factory images for YU Yureka have now been released by Cyanogen.

Also Read: Update Yu Yureka to CM12 Lollipop Manually

Also Read: How To Root Yu Yureka Running Lollipop CM12

NOTE: This process 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.

How to Flash Cyanogen OS 11 (4.4) Factory Image on YU Yureka in Windows –

1. Download Yureka factory image “cm-11.0-XNPH52O-tomato-signed-fastboot.zip” (fastboot flashable package).

2. Extract the contents of the fastboot.zip package to a folder.

3. Download the flashing tools package. It contains Fastboot & ADB files.

4. Extract the contents of “factory-image-flash-tools-windows-flashtools.zip” file into the above extracted factory image folder. It should have all these files:

5. Boot Yureka into fastboot mode – To do so, power off the phone. While pressing the Volume UP key, connect the phone to PC/Laptop with USB cable. The phone should show “Fastboot Mode” screen as shown below.

6. Now Run the flash-all.bat file by double-clicking on it.

7. A command window will open up and flashing procedure will start. (Do Not disconnect the device during flashing)

8. After installation is done, the CMD window will close automatically.

9. Disconnect the USB cable, and boot the phone normally by long pressing the Power button.

That’s it! You have restored Yureka to its official Cyanogen OS 11 (4.4) ROM.

Points to be noted:

• Flashing over fastboot is possible on locked bootloaders as these are officially signed images.
• Flashing won’t change the lock/unlock status of your bootloader. It will remain locked/unlocked like before.