I'm from the UK, on holiday in Brazil and Members has reset to Portuguese

[Beershark]

As above, I never asked members to change region or language.... My existing g profile has gone.

Not very good. 

[Beershark]

I noticed when I switched off sim 2, restarted app it changed back to same profile... While I'm still here in Brazil...

So was in existing profile, enabled 2nd sim (1st sim is UK and still active) but switched me back to Brazil.

I think you should be OK when you return based on my experience.