Best firmware for L3++

My 2 L3++ miners are being delivered today! What is the best firmware to have them run the most efficient? Not looking to overclock them or anything like that. I am on f2pool if that matters.

Thanks for all the help on here!

I wish i knew the answer to this- trying to figure it out myself- there are:

https://asicfw.io/antminer-l3.html

and also hiveOS has oneā€¦