@nnazar EZData was only designed for testing MQTT services.
I recommend getting something like the CoreMP135 or the CM4 stack, and building your own private dedicated MQTT server on that.
@Handcannon So today I tried 3 different cables plus the one that it came with. And different laptop. Tried running on Chrome, Microsoft and Wave. Opened new M5burner account and Uiflow2.0 account. Different times of the day. Set my device to private Also tried it with AtomS3 and same results.