brandon

If you’re in the US and a citizen, you do not have to divulge your password to the authorities or even a judge, per the 5th Amendment. However, they can force you to use your fingerprint or FaceID to unlock your phone.

They can, however, probably seize your phone, and refuse to return it to you. Something to keep in mind when deciding to take your primary device, or a burner.

The actual reason is because in 2015 "Hewlett Packard" split into two companies, one called HP, Inc, and one called HP Enterprise. The print and consumer PC business went to HPI, while the server and network hardware went to HPE. So, writing just "HP" could be interpreted as ambiguous.