SSL issue speed if i upgrade to pro plan

When i upgraded one of my website Free to Pro
it took about over 3hours to issue SSL
so i was only able to see SSL error and 403 Cloudflare-nginx error
and i contacted to support and i got replied like
You can turn off cloud (orange to gray) while wating for it
i asked them a lot so they moved my site to old pipeline (it means like to new pipeline (SNI SSL it means like
but on Cloudflare webiste
over Pro plan SSL issues right away after i upgrade
sooo…if i upgrade to pro plan SSL changes immediately? or it will take time?
if there is anyone upgraded from free to pro recently (afer Cloudflare apply
plz tell me

Nobody has replied, and it’s been a while. Do you still need help with this?