Hi @Sunshine Thank yuo for responding. Though I was right that the tp-link router, out of the box, was very unstable, wifi crashed when clients tried to connect, especially the sonos wifi speakers,...

It's 2024 now, I tried this router. 4G stays up, but WiFi is troublesome. After upgrading the firmware to the latest release, Wifi does not crash anymore automatically and the laptop can e.g. play...

@Ballymoss9018 Why do you suffer so much for two years? Get a devolo I combined it with wifi and non wifi adapters. It's twice as expensive, but if you don't have netfix for 6 months, you can pay...

@Ian1958 I have the same problem and I have the same firmware (4.0.3 Build 20190326 Rel.43406). Probably Tp-link will not fix it, they have V5 but that will not work on this just purchased hardware...