@bigbrother Hello, thanks for bringing this up. This https certificate is a private one and it seems that your browser blocked this access. You may check if there is an Advanced setting on it and...

@nalla Hello, I think I have replied to you in this below thread: https://community.tp-link.com/en/home/forum/topic/216088 Thanks for your undertanding.

@1987 Hello, thanks for asking. Apparently there is no much difference between the two and they are essentially the same product. One is mainly designed to be sold through E-com retailers and the...

@Ninom26 Hello, Below is the guide you may refer to change the admin username and password: How do I change the administrative username or password of TP-Link device? May it help.

@Ben773 Hello, You may refer to the below instructions to open the required ports on the router web UI: Port forwarding: how to set up virtual server on TP-Link 11ac archer series wireless router...

@Nomadtoo Hello, sorry to respond late. Can I have a screenshot of the device label which shows the region version of the C20? According to your description, it seems that the hardware might be a...