@MarcusTeo Hi, Since Deco E4 is 10/100 Mbps Port, so if your internet bandwidth is more than 100m/s, it would slow down the whole internet speed no matter it is on router or access point mode; And as...

@FredxS Here it is and please let me know whether this firmware helped or not: https://static.tp-link.com/2021/202104/20210416/Deco_M5_1.5.4_210302.zip

@Hafidz Hi, After checking the current firmware, it seemed like both of your Deco X20 are on firmware 1.5.0. So I think the firmware should be fine; For the advanced model of Deco system, like Deco...

@PrashantDeco Since the firmware 1.5.0 for Deco M4 just released recently, not all users will get the firmware notification in the first place. And you could try to manually update the firmware via...

@Radhakrishnan Hi, I noticed that there is also one Deco M5 under your Mesh system and since Deco M5 does not support WPA3 which might be the reason for the current issue; If you don't mind, please...

@Shark5791 Hi, as far as we know, the Deco X20-DSL is compatible with SKY_VDSL, it's just the Deco doesn't support SKY(MER)_VDSL on the current firmware. This will be added in future firmware updates.