In the recently leaked screenshots, it was revealed that Windows 10 for Phone would finally bring Notification LED support & Lumia 730/735 and Lumia 930 are some devices which already have the necessary hardware available.
Now in a leaked video on YouTube, a user was surprised to see the LED on Lumia 730 come to life. The LED started blinking when the device was switched-off as per the user. How authentic is this? .. We don’t know but here it is for you to see.
Here’s the Windows 10 for Phone screenshot that revealed the Notification LED support