Do you know the hardware version of your Deco BE65 Pro? There is a new beta batch out that fixes some issues but you may not be able to use it. If you look at the bottom of your deco you will see...

@KeithU For trouble shooting speed issues it is recommend to start with the following post https://community.tp-link.com/us/home/kb/detail/412864

@MortenWith What hardware version are your deco's?

@Kurss They just released a beta firmware version for the BE65. Have you given that a try? One of the issues it fixes is network stability This Article applies to Deco BE65/BE63/BE11000_V2.0/2.6 Deco...

@RobAC While you wait for David to get back to you. I like using the compare tool to look at the differences between the modes. If we use the 3 modes you have...

@novice1111 When the virgin media hub 5 is set to modem mode is it broadcasting WiFi? Or do you have the WiFi broadcast turned off and the deco is providing the WiFi? Also look at the examples in the...