@IGC Hi, welcome to our community. This guide may help you: How to add manager account of Deco Thank you and best regards.

@Humberto_pt Hi, welcome to our community. There could be several reasons why VoLTE is not working. Here are some troubleshooting steps you can try to resolve the issue: 1. Check network coverage:...

@Oesinghaus Hi, welcome to our community. May I confirm the problem is your phone can not receive calls or can not call out? If former, it is suggested to follow the guide to check the settings:...

@GreenSkol Hi, to assist you efficiently, I've forwarded your case to the TP-Link support engineers who will contact you with your registered email address later. Please pay attention to your email...

@gidyn Hi, welcome to our community. You may set the DNS Server under LAN Settings to OpenDNS that you want.(screenshot as below) Best regards.

@Kyke01 Hi, welcome to our community. First, it is suggested to upgrade firmware to latest from the official website. You may refer to this guide. If it is the same result, please test the SIM card...