Ok, I got the issue resolved. The block was caused by the Adguard pro app. I disabled the app and I can now control the smart plug when on wifi network. Thanks for the help Enson Loo and Anton L.Z. I...

Anton L.Z. wrote It sounds like that your Android phone is not connected to the same wifi with the smart plug, or there are some settings on the router which blocks the communication between them....

Hi Enson Loo. The Nougat device is a 2017 released phone, Sony Xperia XZ Premium. G8142.

Model : Hardware Version : Firmware Version : ISP : Is there a subject titled problem? 1)Setup stuck at naming stage - I am not able to get past the room naming stage, long names, short names, single...