On checking updates from the device, or following the link from https://www.wifistepper.com/updates.html I get this:
404 Not Found
Code: NoSuchKey
Message: The specified key does not exist.
Key: downloads/wsx100/check.html
RequestId: 9783AF1D65B1D84A
HostId: TuN5YNl4FDfnNMujox8oGXfB+MWpiTnMcsUyrSzeP49PA69aiR8uRO3P0PSHSwx2Z60+zYOyFd0=
On checking updates from the device, or following the link from https://www.wifistepper.com/updates.html I get this: