Unlocked S10e from US not receiving OTA updates in Canada

[Riffamortis]

I purchased an unlocked S10e from Best Buy in Canada and it ended up being a US version of the phone (Samsung support says it's originally from AT&T). It currently has One UI 3.1, Android 11, and the December 1, 2021 patch - all of which appear to be outdated - but attempting a software update on the phone says the software is up to date and Smart Switch also says there's no update.

I've spoken to 8 or 9 Samsung agents but none of them have been able to provide a solution and my local Samsung store said they "won't even touch" my phone because it's from the US. I know people will say to flash the new firmware with Odin, but I'm using a mac and Odin seems to be Windows-only. Is there any way for me to get updates on my phone?

[Experts]

Hey dude! Sorry my guy, I know nothing about flash with Odin. What even is Odin? That's the mystery I'm currently facing. Are there flash Odin experts here? Hello?

[Riffamortis]

https://www.sammyfans.com/2022/05/20/samsung-odin/

[Experts]

Wow, thank you for telling me! This is just so complicated, I don't understand a thing! I should go do more research or I could mess up somewhere for someone, and then someone else will need to come around to fix what I just did, so what's the point right? Man, so comlicated!

[PókeDynamax]

What is your CSC code on your device?

[Riffamortis]

XAA/XAA/ATT

[Experts]

See? I don't understand a thing. What's that supposed to mean? I have no idea. So much to learn!

[PókeDynamax]

Model of your device sm-g970u1?
Your Mac is silicon or Intel?

[Riffamortis]

SM-G970U

Intel

[PókeDynamax]

Intel that is easy.
Search on Google boot camp(official software from apple) then follow instruction. Grab iso file from Microsoft site ( install windows 10 or 11). Follow instructions and when it prompt a product key. Just ignore and continues. Good to go. That is all I can help you that.