Samsung Bespoke AI WF53BB8700 front-load washer will not connect to Wi-Fi or the manufacturer's app

The checks in more detail

Start with the network. Samsung washers connect on the 2.4 gigahertz band; many routers combine the 2.4 and 5 gigahertz bands under one name, which can confuse setup, so temporarily use a phone on the 2.4 gigahertz band or split the bands in the router. Put the washer and the phone close to the router during setup. Check that the Wi-Fi password is typed correctly, and avoid special characters if the app struggles.

Open the SmartThings app, choose to add a device, and follow the steps for a washer, which ask you to put the washer in pairing mode by holding the Wi-Fi button on the panel for a few seconds until it lights or beeps. If pairing fails, restart the washer and the router, make sure the app and the washer's software are up to date, and try again. A weak signal in a laundry room, often far from the router and behind walls, is the usual cause of drop-outs;

move the router, add an access point or a mesh node. If the washer connected before and stopped, check that the router's password or name has not changed and that the washer still shows a Wi-Fi light. Avoid router features that isolate devices or block them by address. If everything is right and the washer still will not connect, contact Samsung support with the model WF53BB8700AT and the serial number. Remember that connectivity affects remote monitoring only; the washer works from its dial.