@KobiM Hi, welcome to the community. Have you ever thought of replacing Archer BE550 with Deco BE65? https://www.tp-link.com/en/home-networking/deco/deco-be65/(eu)%20v2%20(3-pack)/ Archer BE550...

@PedRod18 Hi, welcome to the community. There is a newer Windows driver for Intel AX211. Maybe you can install this driver to see whether it helps:...

@MightyQuinn Hi, thank you very much for the feedback. It is suggested to refer to Why TP-Link HTTPS web interface is detected as unsecure by some web browsers? Best regards.

@Futurewhippet Hi, welcome to the community. Could you please refer to this link to help me submit the Deco APP log here: How to submit Deco APP log There were several similar feedback in the last...

@AzhaMamat Hi, welcome to the community. May I know your SIM carrier for Deco X50-5G? Did the mobile phone use the SIM card of the same ISP? The latest firmware for Deco X50-5G_V2 is Deco...

@ARGamingPK1 Hi, nice to see you again. It is suggested to keep UPNP and SIP LAG disabled, and enable "Ignore ping from WAN". Best regards