Vodafone today launched VoLTE services in India starting from Delhi-NCR, Mumbai and Gujarat (Surat and Ahmedabad). With this option, now Vodafone users can enjoy HD quality voice calls with faster call set up time compared to normal voice calls on their VoLTE-compatible 4G handsets. There will be no additional data charges for VoLTE and calls will be billed as per existing plan or packs benefits. As of now, only a few devices support the Vodafone VoLTE option, and it’s worth mentioning here that the handset should be upgraded with the latest software provided by your mobile maker. In order to verify the VoLTE feature on your mobile phone, head on to Settings -> Mobile Data -> Mobile Data Options -> Enable 4G -> Turn on Voice & Data — if you are iOS user, else, go to Settings -> Settings -> Mobile Network -> Turn on VoLTE call, if you are an Android user. If you have a dual-SIM smartphone, the Vodafone SIM should be inserted in the first SIM slot and network mode should be set as “4G/3G/2G (Auto)” for VoLTE. To make your work easier, we have listed out the device models that are compatible with Vodafone VoLTE: OnePlus Oneplus 3 Oneplus 3T Oneplus ... 
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