devel-su
if installed, unapply and remove all patches 
if installed, uninstall patchmanager
if used, ssu dr mousetracker
if used, ssu dr chum
if used, ssu dr sailfishos-chum
ssu release 4.4.0.72
if not there, ssu ar adaptation-common https://releases.jolla.com/releases/4.4.0.72/jolla-hw/adaptation-common/armv7hl/
ssu ar adaptation-community-common https://repo.merproject.org/obs/nemo:/testing:/hw:/common/sailfishos_4.4.0.72/
ssu ar adaptation-community (https://repo.sailfishos.org/obs/nemo:/testing:/hw:/samsung:/jfltexx/sailfishos_4.4.0.72/)
ssu ur
zypper ref
zypper dup --details
reboot