To be clear for everyone - the Lightning Network on the LTC mainnet is already working.

There is a lot of misunderstanding in terms of the LN. The LN didnt has to be activited in the way of a "software update", it is already possible to use it. The thing is that Developers has to build a easy to use front end interface and a infrastructer that is userfriendly. You can watch how LN transaction on the mainnet looks like: blockstream - First LTC transaction on mainnet