Hi Nikhil,
There may be several factors on why your USB modem is not working with the Creators update. We suggest that you also try the troubleshooting steps found on this link so we can isolate the issue.
Keep us updated with the status of your concern and we'll be glad to assist you further.
Hi Katrina,
Troubleshooting did not helped. Even after setting up Dial up connection, we are getting "Error 633 - the modem (or other connecting device) is already in use.." I even tried setting APN manually, but nothing helped. Finally i rolled backed
the update.
Please help.