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How to make calls via 4G?

Thanks to the new VoLTE (Voice over LTE) technology you can make calls via 4G within Belgium. Up to now, you could only make calls over the 2G or 3G network.

When you make calls via 4G, you don't use any data, only call minutes.

To use VoLTE, you need a compatible phone equipped with the latest software:

  1. A compatible phone:
    Currently, you can only mak calls via 4G on these phones:
    • Apple: iPhone 6; iPhone 6 plus; iPhone SE; iPhone 6s; iPhone 6s plus; iPhone 7; iPhone 7 plus; iPhone 8; iPhone 8 plus; iPhone X; iPhone Xs; iPhone Xs Max; iPhone Xr.
    • Huawei: P10; Mate 10 Pro; P smart; P20 lite; P20; P20 Pro; Mate20 lite; Mate20; Mate20 pro; P smart 2019; P30 lite; P30; P30 Pro
    • LG: K11; G7 Fit; G7 ThinQ; V40 ThinQ; K30; K40.
    • Nokia: 7 plus; 7,1; 4,2; 5.1 Plus; 2,2.
    • Samsung: Galaxy S5; Galaxy S6; Galaxy S6 edge; Galaxy S6 edge+; Galaxy S7; Galaxy S7 edge; Galaxy S8; Galaxy S8+; Galaxy J5; Galaxy A3 2016; Galaxy A5 2016; Galaxy A3 2017; Galaxy A5 2017; Galaxy Xcover 4; Galaxy J3 2017; Galaxy J5 2017; Galaxy J7 2017; Galaxy Note 8; Galaxy A8 2018; Galaxy S9; Galaxy S9+; Galaxy A6; Galaxy A6+; Galaxy J6; Galaxy Note 9; Galaxy J4+; Galaxy A7 2018; Galaxy A9 2018; Galaxy S10e; Galaxy S10; Galaxy S10+; Galaxy A10; Galaxy A20e; Galaxy A40; Galaxy A50; Galaxy A70; Galaxy A80; Galaxy Xcover 4s; Galaxy Note10; Galaxy Note10+
    • Sony: Xperia XZ1; Xperia XZ1 Compact; Xperia XA2; Xperia L2; Xperia XZ2; Xperia XZ2 Compact; Xperia XA2 plus; Xperia XZ3.
    Other phones will follow shortly.
  2. The correct settings:

    Android:

    • The latest software. Go to Settings > Device info > Manually download updates to download the latest software version on your phone.
    • To activate or deactivate VoLTE, go to Settings > Connections > Mobile networks and move the slider next to VoLTE calls to the right to activate it, or to the left to deactivate it.
     

    Apple:

    • Go to Settings > Cellular > Cellular Data Options and check or uncheck Voice & Data.
    • VoLTE is gradually being activated for all numbers. You will receive a text message when VoLTE is activated for your number.

Do you wish to use a VPN application? In some cases, you need to temporarily switch off VoLTE.

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