In its Android 6.0 compatibility definition document, Google introduced a series of changes and requirements for OEMs, including mandatory storage encryption, certain levels of FAR and FRR for fingerprints, and verified boot for new devices.
Android 6.0 Marshmallow Brings New OEM Requirements For Encryption, Fingerprints And Verified Boot : Read more
Android 6.0 Marshmallow Brings New OEM Requirements For Encryption, Fingerprints And Verified Boot : Read more