@Behtjes Hello, sorry to respond late. We will contact you via email to help you fix it, thanks.

@Tarpii Hello, You may try to download the previous firmware from the official website: https://www.tp-link.com/uk/support/download/archer-c20i/#Firmware Then refer to the below instructions to...

@minneapaulis Hello, Sorry that we may not be able to give you this answer either, whether the device sold from Costco's is the old version or new version will depend on their own stock. They will...

@Sibi Hello, You may need to contact the local tech support to check the warranty if your router is faulty: https://www.tp-link.com/en/support/contact-technical-support/#Hotline-Support Good day.

@shiznix Hello, May I know who is your ISP? What is the network bandwidth provided by your ISP? When the internet drops on the AX10, does it show WAN port unplugged or any error on its web interface...

@vivekebox Hi, this inquiry has been answered in this below thread: https://community.tp-link.com/en/home/forum/topic/222650 Good days.