What should I do to activate VoLTE?

The VoLTE activation will be done automatically when your 4G sim card is inserted into a VoLTE certified phone. This is under the condition that your smartphone is updated to the latest firmware and that you are using a 4G sim card.

  • For iPhones
    • Minimum iOS version needed is 10.1. To check iOS version
      • Settings -> General -> About -> Version
    • How to update to iOS 10.1?
      • Settings -> General -> Software Update
    • How to enable VoLTE in iPhone?
      • Settings -> Mobile Data -> Mobile Data Options - > Enable 4G - > Select Voice and Data
    • How to check if VoLTE is available on my phone?
      • Settings -> General -> About -> Carrier
    • Tap on Carrier, it will change to IMS Status: Voice & SMS

 

  • For Android
    • Samsung
      • Settings -> Connections -> Mobile Networks -> Enable VoLTE Calls
    • Huawei
      • Settings -> Wireless & networks -> Mobile network -> Enable 4G and VoLTE calls
    • Vivo
      • Settings -> Mobile network -> Enable VoLTE HD Call
    • Oppo
      • For ColorOS 5.0 and above: Settings -> Dual SIM & Cellular/SIM Card & Mobile Data -> Select one SIM card -> Enable VoLTE Calls
      • For ColorOS 3.2: Settings -> Dual SIM & Cellular -> Select one SIM card -> Enable VoLTE Calls
      • For ColorOS 3.0 & ColorOS 3.1: Settings -> Call -> Enable VoLTE voice call function (HD/ VoLTE icon will appear on the status bar once VoLTE voice call function is enabled)

 

If you still have questions, please contact the Digi customer service.