Hong Kong Police Can Now Demand Phone Passwords Under New Security Rules

https://www.gadgetreview.com/hong-kong-police-can-now-demand-phone-passwords-under-new-security-rules

Hong Kong Police Can Now Demand Phone Passwords Under New Security Rules

Hong Kong police can now force phone unlocking without warrants under expanded National Security Law, making device encryption legally meaningless.

Gadget Review

Feature request: Make it default behavior on phones that you can have multiple passwords, connected to different profiles. With no way to determine how many profiles a phone have.

I'm sure there's some people here working on mobile operating systems, might be worth considering?

Software isn't going to save you in this scenario. If you're worried about local laws violating your privacy then buy a burner and only put data on there that's necessary for your travels.