I'd say better would be not trying to pull a fast one on the cops. Rather than trying to sneak past them and local innocuous, just exercise your right to say no.

> Obviously have the duress pin if what’s in your phone is worse than the obstruction charges too.

I would say that if what you have on your phone is worse than a destruction of evidence conviction then you may want to just wipe the phone before you get anywhere near a cop. Playing stupid games with cops most often leads to winning stupid prizes. Keep the interaction simple. "No."