Hey @Koenna Please find a newer beta firmware from the following post: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN

petechua wrote @Kevin_Z From this page - https://community.tp-link.com/en/home/forum/topic/839070?replyId=1614760. URL...

Koenna wrote @Joseph-TP I have been running the old Beta firmware for half a year or so. In the original thread of the release I've asked a couple of times for a new / official release of the DS Lite...

@petechua The latest 1.3.1 build 20250915 version should be applicable for both V1.0 and V1.20 hardware. However, I'm more curious about where you downloaded the current 1.3.1 build 20250825 version.

IfranAli wrote I found out, that a custom Brazilian XX230v firmware had added support for IPv6 VoIP (SIP Proxies). @IfranAli Which firmware do you refer to? Is it the latest XX230v(BR) 1.0_0.14.0...

Hello @Halu, thank you for posting on the TP-Link Community. Would you be able to log in to the router using the Tether App? If it still fails, I would suggest resetting the router to its factory...