ERR_CLEARTEXT_NOT_PERMITTED when using smartthings app but working through browser?

Smart Home Integrations SmartThings
1

It does report error ERR_CLEARTEXT_NOT_PERMITTED when I select device status.

It does work using the browser when specifying port and IP to check status.

2

I have the same problem in the Smartthings Classic app. Haven't found a solution.

3

I have the same issue. I suspect I should upgrade my firmware.