Dash Smart Shelf Can't Connect to Wi-Fi

Dash Smart Shelf can't connect to Wi-Fi or has intermittent connectivity issues.

Note: Dash Smart Shelf is only compatible with 2.4-GHz Wi-Fi networks and does not connect to a 5-GHz or WPA-Enterprise network. Make sure you're using a 2.4-GHz network.

Make sure that you have the correct Wi-Fi password. If your Wi-Fi password recently changed, update your Dash Smart Shelf's Wi-Fi settings.
Restart your Dash Smart Shelf by unplugging from the wall and plugging back in, or removing and replacing the batteries.
Restart your internet router and modem by unplugging for 30 seconds and plugging back in.