it's possible the update might temporarily stop the battery controller, or at least has the potential to.
and if you've got charger + battery you've got a little extra protection against either dropping out.
Last update I had 75% battery, but it still said I need 50% or better and required me to put it on the charger to update. Haven't owned it long enough to know if this is different than normal, but maybe was something unique with the last update?
Last update I had 75% battery, but it still said I need 50% or better and required me to put it on the charger to update. Haven't owned it long enough to know if this is different than normal, but maybe was something unique with the last update?
the battery needs to be over 50% AND the watch has to be on the charger
75% and not on the charger does not meet the requirements,
as another example... 25% and on the charger would also not meet the requirements. the watch would continue to charge though, and if you've got it ready to go, it can start the update once it has enough juice in the battery.