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VoLTE (Voice over LTE) is the technology that provides voice service for your phone. Not only does VoLTE provide superior voice quality, it allows you to enjoy voice and data simultaneously. 

What changes will you see with VoLTE?

1. Improved voice quality and coverage
   VoLTE enables high-definition (HD) voice quality, allowing background noise to be reduced and callers' voices to be enhanced.
   
2. Ability to use voice & data at the same time
   The underlying network foundation for VoLTE supports a variety of calling features. Users can use data and voice at the same time.
3. VoWiFi alleviates indoor coverage problems
   VoWiFi makes it possible for users to make and receive calls reliably, even indoors. By leveraging existing Wi-Fi access points, VoWiFi overcomes poor indoor coverage problems.