How to install W10 Mobile (build 10240) on Lumia 930, 640, and 640XL

This post contains a very simple guide on how to install Windows 10 Mobile on Lumia 930, 640 and 640L. Download links to the flashable roms are also available here.

Downloads

• Lumia 930 - Download {password: 8axc}
• Lumia 640-  Download {password: uf52}
• Lumia 640Xl- Download {password: fvji}

• *Windows Phone Image Designer (needed for flashing ROM) - Download

Disclaimer: Your use of this guide is strictly at your own risk. If any goes with your device, you are entire responsible for it, I or Leakite will not be held responsible.

Please make a backup of your current rom before you proceed.

Flashing guide
Step One: Download your device ROM from links provided above.

 
Step Two: Download Windows Phone Image Designer (link above).

Step Three: Power off your device and boot into UEFI mode by holding down Volume up button (a lightening bolt icon should display on your screen)

Step Four: Connect your device to PC and open Windows Phone Image Designer folder. Select the x86 folder or the x64 folder (depending on your windows version).

Step Five: Run the Start.bat file and Windows Phone Image Designer will launch.

Step Six: Now select Flash a Windows Phone image onto your phone and click Next.

Step Seven: Your device should show up under flashable devices. Click on Change, then select the downloaded ROM

Step Eight: Hit Flash and wait for the flashing process to complete

Step Nine: Once flashing process is complete, your phone will reboot and build 10240 must have successfully installed on your device.

Done!

Screenshots