The handoff toggle is no longer in yosemite as off dp3.
I read somewhere in this forum that users still had the toggle. That's why I asked
The handoff toggle is no longer in yosemite as off dp3.
Nope, it only disappeared on macs with no bluetooth LE/no handoff compatibility. My 2012 cMBP has the toggle.
I have a late 2013 rMBP and the toggle disappeared
You need to use the hacked KEXT.
This thread will answer all your questions:
https://forums.macrumors.com/posts/19334376/