Final answer:
The PHD test is mandatory at every install on Phone/Tablet devices to enhance security and prevent harmful content.
Explanation:
The test that is mandatory at every install on your Phone/Tablet is PHD (Package Hardening Detector).
PHD ensures that the software package being installed doesn't contain any harmful content or malware, safeguarding the device and user data.
It is a critical security measure to prevent potential threats and ensure a safe operating environment.
Learn more about mandatory test at installation here:
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