Update: After confirmation, the problem is that the router did not get internet access actually, as the router did not get valid IP address from the ISP. It is suggested to confirm internet access...

@CYH Hi, thanks for your update. You may refer to the guide to check whether speed performance is normal: How to troubleshoot if I have low speed with TP-Link Wireless 4G LTE Router working as 3G 4G...

Hi,Solution Update: You may try downloading and using the datecode from the link below: Archer VX1800v_V1_0.13.0_Datecode Thank you and best regards.

@Lucas30 Hi, welcome to our community. About the reason, it is suggested to refer to woozle's explanations in the thread. Thank you and best regards.

@Sterb123 Hi, welcome to our community. According to your description, it seems that the satellite Deco M4 got defective. You may contact retailer or local support to confirm warranty. Different...

@Deadmoney Hi, welcome to our community. Your network topology should be ok. To make sure the compatibility, it is suggested to read this guide carefully: General questions about Ethernet Backhaul...