The problem still remains after software app ewelink was upgraded to latest version.
If you had a number of TH16 switches successfully paired and working with old software then upgraded the software to the latest version they continued to work well. If you deleted the switch in the app for some reason then installed new software the switches pair and register with the server correctly but remain offline. The led on the switch flashes every 2 seconds. I have not been able to solve this and it seems others are having this problem. Anyone have an answer because my switches are useless now.
All wifi and router settings are correct. All recommended procedures are being followed.