How to active 4G and VoLTE in your mobile ?
1. Youn need 4G NTC sim
2. 4G support smart phone
3. 4G covarage are
5.Dial *444#
6.Select option 1 and enter to active 4G service
7.After active 4G dial *111#
and select option 1 you can see
Volte service
8.Go to setting , Network setting ans enable volte service in sim
Thanks...
