Settings142Mobile networksConfigure your mobile network settings.On the Settings screen, tap Connections → Mobile networks.• Data roaming: Set the device to use data connections when you are roaming.• Network mode (single SIM models): Select a network type.Network mode SIM 1 / Network mode SIM 2 (dual SIM models): Select a network type.• Access Point Names: Set up access point names (APNs).• Network operators: Search for available networks and manually register a network.SIM card manager (dual SIM models)Activate your SIM or USIM cards and customise the SIM card settings. Refer to Using dual SIMor USIM cards (dual SIM models) for more information.On the Settings screen, tap Connections → SIM card manager.• Calls: Select a SIM or USIM card for voice calls.• Text messages: Select a SIM or USIM for messaging.• Mobile data: Select a SIM or USIM card for data services.• Adaptive callback: Set the device to display the SIM or USIM card selection pop-upwindow when returning a call or calling from a message. The pop-up window will appearonly if the SIM or USIM card used for the previous call or message is different from yourpreferred SIM or USIM card.• Dual SIM always on: Set the device to allow incoming calls from the other SIM or USIMcard during a call.When this feature is enabled, you may incur additional charges for call forwardingdepending on the region or service provider.