The main reason for this is Jio, a new mobile phone network that began in 2010s. They built a 4G only network (not 5G) and used IPv6 from day 1 for their phones

The main reason for this is Jio, a new mobile phone network that began in 2010s. They built a 4G only network (not 5G) and used IPv6 from day 1 for their phones. Reference: https://conference.apnic.net/50/assets/files/APCS790/Harnessing-the-power-of-IPv6.pdf https://conference.apnic.net/50/assets/files/APCS790/Harness...