Hello Gemma22! To unlock VoLTE (Voice over LTE) on your device, you may need to contact your network provider. They can help you enable VoLTE services on your phone if it is supported by your device and your network. If someone is preventing you from accessing VoLTE services, it's best to reach out to your network provider's customer service for assistance. They can troubleshoot and resolve any issues that may be preventing you from using VoLTE. VoLTE is a useful feature that allows for higher quality voice calls over LTE networks, so it's worth getting it sorted out with your network provider.