@Denarius Hi, thank you very much for your feedback. Have you tried to change the DNS server on the Archer MR600 to have a look: Advanced>Network>LAN settings>primary DHCP server/secondary DHCP...

@Kostas7 Hi, the TL-MR6400 v5 has 2 × Detachable External 4G LTE Antennas. Since we did not test the compatibility with different antennas, it is not suggested to replace the original antennas; And...

@cyriac Hi, it is under : Basic->Internet page or Advanced->Network->Internet page. And could you please have a check again? Thank you very much.

@Simpleform Hi, Did you mean the internet connection type on the Deco X20 is PPPoE? Have you tried the following suggestions: Remove QoS settings: Deco APP>>>QoS>>>(Set Application priority to...

@DrBrian Thank you very much for the feedback. We have tested on our side and the internet speed stayed the same before and after the firmware 1.5.0/1.5.1 upgrade; So if you had any speed issue after...

@Louieeeeeeee Hi, the external diameter and internal diameter of Deco M5 v3 are almost the same as Deco M9 plus. Thanks.