“Failed to pair a device. Please need the data of the device or check your input”.
I’ve done this hundreds of times, on numerous different occasions, a few months ago with no problems. Sitting at the same desk, using the same WiFi.
WFS v1.5.7 running on Windows 10
Galaxy Watch 5 (Y8GP) SM-R905F
Software version R905FXXU1BWH3 SM-R905FZAABTU
One UI version 5.0 Watch
System version 13
Wear OS version 4.0
Security software version ASKS v6.4 Release 20230119
Security patch level 1st July 2023