@JKa I see. If that is the case, then I suggest you may go with the option 1.

@AvikB Hello, do you have any other computer available to perform this firmware update? If yes, just try this on another computer, thanks.

@EllisB Hello, thanks for getting back. Yes, cat5e or cat 6 or cat7 stands for different types of the Ethernet cables, generally, the higher the better. You may launch the Deco app on your phone,...

@HamadDossary Hi, thanks for getting back. As for the warranty, it is suggested to confirm with the local support: https://www.tp-link.com/en/support/contact-technical-support/#Hotline-Support

@Jason71 Hello, thanks for asking. May I know how was this Panasonic smart TV working with the old router before, was it connected to the router via a USB cable? If that is the case, I'm afraid you...

@samharris1993 Hello, you can try to download the previous firmware from the official website and upgrade it via its web GUI if you want to give it a go. While for the ping spikes or latency issue...