Well I certainly hope. I have my suspicions that if you pre-wiped your key but left the data “intact” but unusable, you open yourself to the law declaring that

Well I certainly hope. I have my suspicions that if you pre-wiped your key but left the data “intact” but unusable, you open yourself to the law declaring that as somehow withholding evidence. Actually wiping the entire phone and restoring is certainly the safest in terms of how others may interpret it.