Same here. Just bought the watch and set it on Always on wifi but noticed that it disconnects after some time and then refuses to connect to the same SSID. It either says, authentication error, cannot connect to ...., or doesn't say anything. Restarting the watch fixes it temporarily. Keeping it on Auto, does changes from bluetooth to wifi in about 2 minutes (which is completely useless) when it disconnects from bluetooth. Extremely dissappointed.
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