@Vincent-TP In case someone has this problem in the future, I'm posting the solution as found by TP-Link technical support: disabling ARP-to-Unicast Conversion fixed this strange behavior of...

@Vincent-TP Someone there? Can you please open a ticket à TP-Link support?

@Vincent-TP Already disabled.

@MR.S Yes, it's disabled. I can double check though: where should I see this icon displayed in the controller interface?

@Vincent-TP The phone connects in 5Ghz, the SSID has both 2.4 and 5GHz. The frequency at which it happens is hard to test as I don't unlock my phone all the time. Now, about if I have other devices...

@Vincent-TP OK, thank you. Unfortunately, this is a quite recent and flagship phone (OnePlus 10T), and unfortunately the problem still happens, just less frequently. So it's not fixed. Also, I...