@camilacabello71 @Marvin_S There was no option to set a custom IPv6 in this ONU in any firmware versions. I had checked 1.8.0, no IPv6 DNS setting options, same 1.10, same 1.13 Check the above photos.

@edemjack82 @Marvin_S DHCPv6 is not supported by portable devices like Android, iOS, Tablets, etc. So, using DHCPv6 doesn't allocate IPv6 IPs not even link local IPs to my devices except computers....

@Marvin_S This issue is from the ONU itself not ISP. Kindly read thoroughly before commenting. Here, check this, 1. No IPv6 DNS is assigned by ONU to mobile, so how will the DNS query resolve...

No Internet via IPv6 in TP Link XC220 G3v V2 in Mobile Devices. URGENT HELP NEEDED From 17th Feb, I started getting IPv6 and IPv4 has been disabled in my area. BSNL reported some kind of maintenance...

Setup Guide for BSNL FTTH: https://youtu.be/o8zBrZZUf9s TP Link XC220 G3v V2 (2.x.xxxxxx) Firmware update POST: TP Link XC220 G3v V2 Firmware update - Home Network Community (tp-link.com) Official...

@mahat Setup Guide for BSNL FTTH: https://youtu.be/o8zBrZZUf9s