@YNaum Hi, welcome to the community. Your case is quite similar to this feedback and it is suggested to install the beta firmware here to see whether it helped or not: Wi-Fi Range Extender Causing...

@ScreenName0 Hi, A new Deco APP version 3.6.50 was released yesterday would you mind deleting the old APP, and installing the latest version? If the issue still exists, could you please help me...

@Decker1 Hi, it is suggested to refer to this link to clone the MAC address of the laptop on the Deco: How to Configure MAC Clone on Deco if Deco fails to connect to the internet Please also keep...

@smm03 Hi, Did this Deco XE75 stop restarting when it is on wireless Backhaul? Is there any chance that you could send a video clip or link of the restart loop? After that, it is suggested to refer...

@Viperlocc Hi, It is suggested to try to driver here to see whether it helped: Realtek Chipset Driver for Archer T2U(Nano/ Plus)/T3U(Nano/ Plus)/T4U(Plus)/T4UH/T9UH (Win7/Win10) Thank you very much...

@AfroBro87 Hi, Have you checked whether both smartphones use the same SIM carrier? And may I know the model numbers of these two mobile phones? How often do you usually experience this issue? or are...