How to Enable VoLTE on The OnePlus Devices [VoLTE + VoWIFI]
Amazon.com: OnePlus Nord CE 5G all carriers Euro 4G Volte GSM Global 64MP Triple Camera NFC Dual Sim International Version (Charcoal Ink, 128GB+8GB) : Cell Phones & Accessories
OnePlus 7T with 5G support seemingly confirmed by CEO | TechRadar
Abilitare VoLTE su OnePlus 6T (Vodafone)
Le serie OnePlus 7 e 7T ricevono la versione stabile di OxygenOS 11