@DarwinsFlinch Hi, Thanks for the feedback. Instead of replacing a new main Deco, I hope you can install the latest 1.4.5 beta firmware: (Update firmware will also reserve the current network...

@Dutchbear80 Hi, welcome to the community. Can I have more details about what you meant by "it literally crashes my ziggo router"? -Do you mean Ziggo router has completely lost internet connection or...

@DarthRouter Hi, welcome to the community. I think you could try to install the 1.4.5 beta here for Deco X55_V1.26: Deco APP Frequently Showing "0 Online Clients" Wait for your reply and best regards.

@Rowboat Hi, welcome to the community. Have you tried the latest 1.6.4 beta firmware here: https://community.tp-link.com/en/home/forum/topic/736386 Best regards.

@MatheusRossato Thanks for the notification and the build number has been changed. Have you installed this version? Did it work well so far? Wait for your reply and best regards. @Beepa4 Hi, welcome...

@Adex1 Thanks, I might need to ask for more help again. Will update here as soon as possible. I doubted whether TimeMachine on the Deco has changed the default pass for the "BE65_OD5C". Best regards....