st-e3-rt version 1 Upgrade to version 2

[jcg432]

I heard you are able to upgrade your version 1 remote trigger to a version 2 but I can’t find anywhere on the website to do that. Can someone point me to the right direction? Thanks!

[Danfaz]

I found this, maybe that will help 

https://www.canon-europe.com/pro/services/upgrades/speedlite-transmitter/