@JanRekenaar Read @ post #348. Yes you can't downgrade using ordinary web update GUI. You must use tftp and recovery procedure from tplink knowledge base.

@TP-Link Updated to 1.6.0 day one. After 3 days slow performance and speed. Restart and after 2-3 days slow performance on wifi, WAN, lost Kasa Smart Devices, slow IKEv2 VPN. Today reverted back to...

@Kokw Kokw wrote Hey everyone, it is possible to disable wifi broadcast on a main deco5, which is configured as a router? Thanks! Hi , you may disable wifi broadcast on the main SSID . If you disable...

https://www.tp-link.com/en/support/download/deco-m5/v2/#Firmware

Yes there is but be adviced: you may end up with a brick, i am not responsible if anything goes wrong . https://www.tp-link.com/us/support/faq/2958/

@David-TP About the MTU on PPPoE, there is defenatly a change in MTU settings on this beta firmare. I had this problem with all 1.6.0 firmware, reverting back to 1.5.xx corrected the MTU. I realized...