Do you know if this can still be done on a latin american Snapdragon version on android Pie? (I believe I've seen this tutorial floating around before android pie was available for the S9).
I might want to give it a try, but I want to make sure that this method is l compatible with android pie.
Another (broader?) question is: After unlocking and flashing TWRP, What´s available for the snapdragon version? I mean, I´ve seen little activity in the snadragon forum (I still appreciate the effort put by the devs in there). Is there something that might make the risk worth it? I mean, nowadays there´re a lots of things we used to unlock and root for, but most of those things are already available in one way or another without the need to root or flash anything. I´ve been away from the forums for a while, sorry if this sounds wrong, im not saying this in a demanding way. Just wanted to know if there was something nice I might have missed.
Yes, the Latin America Galaxy S9 (SM-G9600) and S9+ (SM-G9650) have fully unlockable bootloaders, and work 100% fine in the US. Depending on the region yours comes from they might not work straight out of the box, but at least one of the CSCs work just fine in the US, and you can even go further and (once your BL is unlocked) flash a CSC from the US models (SM-G960U/SM-G965U) to get most things working.
As for "risk", there is no "risk" involved. The worst thing that will happen is you soft brick the device, in which case simply flashing stock will put everything back. The biggest risk involved is Samsung's stupid protection software that will, if you don't 100% correctly follow the right procedure when flashing modified software after unlocking, re-lock your bootloader and prevent you from flashing modified software again for 2 weeks.
As for whats available, there isnt much last I checked. Someone was working on Lineage at one point, but I don't know the current status. At the very least, simply running stock with Magisk root works 100% fine.