You used the China-only non-official app to update, then used the official app. So there’s still some wriggle room to say you nullified warranty.
I don’t own this product, so I’m easily wrong.
I think we need someone to wait for app update and show these feature to then be a sign of global official support.
But even more important is Soundcore to reply here and not have the community guessing across with each other. Every guess is scope for error.
This is why I speculate why not officially released earlier. Most folks can’t tell the difference in audio quality, but easily notice battery life, so it was not an option initially. The P3 at lower cost pushed forwards a reason to put LDAC enabled in the higher cost LA2P.
It would be stupendous if Soundcore shared with us directly as all speculation is just scope for being wrong.