New firmware update 2.16.07 for the Verizon MiFi 4510L now available!
See updates I've made to my original post here:
https://tinkertry.com/mifi
Here's how it looked (I used the Windows binary)


All Comments on This Article (3)
It appears my original download URL still works for the Windows version:
http://d23fu4p2g5yz6c.cloudfront.net/Windows/MiFi4510LWin.zip
but please refer to Verizon support for what you should do in your situation (perhaps they have over the air updates now?)
Paul Braren | TinkerTry.com
There's more new info here (some success, some failures):
http://www.evdoforums.com/thread15310.html