I am trying to update to 16.70, currently on 16.60, when connected to Garmin Express on a PC, I get notified for 16.70 update, click install, I get the installation process and everything and then once I disconnect the watch, there is no INSTALL coming up. If I connect back to GE, it says watch is 16.70 (which is normal since GE stores cache), once I reboot watch and restart GE, I get the SW update notification again.
Tried on 2x PC and 1x MAC, same
MARQ Aviator here