Some devices yes. Other devices? Not so much: "HTC stored user fingerprints as image file in unencrypted folder" http://www.theguardian.com/technology/2015/a

Some devices yes. Other devices? Not so much: "HTC stored user fingerprints as image file in unencrypted folder" http://www.theguardian.com/technology/2015/aug/10/htc-fingerprints-world-readable-unencrypted-folder http://www.theguardian.com/technology/2015/aug/10/htc-finger...