Are you trying the Google wear app or the Samsung wearable app
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Are you talking about not accepting your Google pin to sign into your Google account on the watch? I thought Google required passwords, not pins. Are you sure you type it right on that tiny, tiny keyboard?
That app needs work. Sometimes, you have to uninstall the manager app and reinstall, plus unpair the watch from Bluetooth. I actually had to reset the watch a couple of times and put it on my wrist to connect. And the watch had to be charged to 100%.
