[eertami]

Hypothetically speaking, if you're not a UK resident: Surely you can keep the password on a separate device in another country, and if asked for it, say that you do have know how to get the password, but you can't physically access it without travelling to the other country.

You then aren't breaking the rules, as far as I can tell. Of course you can't give them something that is only available in another country, where those laws would not hold up.

[flangola7]

How would explain you were able to unlock and use the device within in the past minutes or hours? (Which could be easy to prove)

[kevviiinn]

Pass code is randomly generated by a person in the other country and it changes every 15 minutes. You must contact this person to get the code and they cannot be compelled by the laws in your country

[flangola7]

How do you set that up on an Android or iOS device?

[yootyootr]

Use a TOTP for a second factor of authentication and give it to your friend abroad.

[flangola7]

So you have to contact your friend every time you unlock your phone screen?

[mptest]

That's what your lawyer would say is the case is the impression I got. Or, more seriously, perhaps that could be a toggle. Similar to how if you hit the panic button on iphones it no longer takes biometrics until you give it the code? That might solve for ease of use.