DESCRIPTION

• First, you have to download all the above FRP files and tools to your computer.
• Copy all the downloaded files to a new folder. (to understand the process easily).
• Now, extract the downloaded files one by one using 7zip or WinRAR.
• There you will see “3” folders. Files, tools, Driver.
• Extract “Tool” and “ File”.
• Then open the FRP tool folder.
• There you can see the “Research download Tool” folder.
• Open “Research download Tool” folder

• Run the “Research download Tool.exe” with the Administrator permission.
• Click “gear”Download icon.

• Select the FRP.pac file and click Open.

• Power off and connect your device to PC  by pressing the Volume down button.
• Now you can see flashing will started automatically.
• If not detected the install the SPD Driver.

• Wait for the finish.
• More Link: Lava Z66 Firmware Flash File

• Once done, power on your device.
• Downlaod FRP Bypass tool for PC/APK
• Done

※Please make a backup of your device before installing or updating ROM