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    Selecting networks for data traffic

    You can select to have both SIM cards in your device handle data traffic, but only one SIM card can be selected to handle data at any given time. You can select the SIM card to use for data traffic during the initial setting up of your device, or you can select it later via the settings menu.

    To change the SIM card used for data traffic

    1. From your Home screen, tap Icn sony home apptray normal.
    2. Find and tap Settings > Dual SIM settings > SIM card for data traffic.
    3. Select the SIM card that you want to use for data traffic, then tap OK to confirm.

    Tip

    For higher data speeds, select the SIM card that supports the fastest mobile network, for example, 3G.

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    On your Xperia™ device, go to Settings > About phone/tablet > Model number
    FindCreated with Sketch.
    On your Xperia™ device, go to Settings > About phone/tablet > Model number