Please note that the Safepoint disappearing issue with the 04.04.02-105 firmware has been discussed in other threads. See the following post for one workaround that appears to work for some.
Another thread on the missing Safepoint issue with the current firmware:
http://wdstagingsplit.staged-by-discourse.com/t/missing-safepoint-after-firmware-update-ver04-04-02-105-2016-jan/149031