Article ID : 00237707 / Last Modified : 04/09/2024Print

There is no network coverage or mobile data connection

    The following steps may differ between Android versions. To learn which Android version your device has, find and tap SettingsAbout phoneAndroid version. If you do not see About phone under Settings, tap System.

    • If there is no network coverage

      • Turn off your device and then turn it back on. You turn off all running applications and free up memory, sometimes automatically solving the issue.
      • Make sure Airplane mode is turned off.
        1. Find and tap SettingsNetwork & internet.
        2. Tap the Airplane mode switch to disable the function. You may find the item under Advanced.
      • Check the signal strength icon in the status bar to make sure that your device is connected to a network. If the signal is low or there is no signal, move to an open location or get close to a window.
      • If your device is not receiving any network signal or the signal is too weak, contact your network operator and make sure that the network has coverage where you are.
      • Make sure you have set your device to use the network type your SIM card supports. Contact your network operator to know which network types are supported.
        To select a network mode
        1. Find and tap SettingsNetwork & internetMobile network. (SIMs in case of Android 12)
        2. If you're using two SIM cards, select a SIM card.
        3. Tap Preferred network type, then select a network mode. You may find the item under Advanced.
      • Make sure that your SIM card is working correctly by inserting it into another device. If this works, your device is probably causing the problem. In this case, contact an authorized Sony service partner.
      • Search for a network from the device to check if any networks are available.
        To search for available mobile networks
        • Android 13 or Android 14
          1. Find and tap SettingsNetwork & internetSIMs, and then select a SIM if you are using two SIMs.
          2. Your device is set to automatically connect to the internet when you launch an app that needs an internet connection. (The setting may differ depending on your network operator.)
          3. If you are unable to connect to the internet automatically or if you are instructed to do so by your network operator, follow the setting procedure indicated by your network operator to set the access point to connect to the internet.
        • Android 12, Android 11, Android 10, or Android 9
          1. Find and tap SettingsNetwork & internetMobile network(SIMs in case of Android 12)
          2. If you're using two SIM cards, select a SIM card.
          3. Tap Advanced, and then tap the Automatically select network switch to disable the function.
          4. Select a network.
        • Android 8
          1. Find and tap SettingsNetwork & InternetMobile network.
          2. Dual SIM users, select a SIM card.
          3. Tap Service providersSearch networks.
          4. Select a network.
      • If there is no mobile data connection

        • Turn off your device and then turn it back on. You turn off all running applications and free up memory, sometimes automatically solving the issue.
        • If your device supports STAMINA mode, deactivate it and restart it. STAMINA mode disables mobile data when the screen is turned off to save battery power.
          • Android 14, or Android 13
            1. Find and tap SettingsBatterySTAMINA mode.
            2. Tap the switch to disable STAMINA mode.
          • Android 12, Android 11,  or Android 10
            1. Find and tap SettingsBatterymode.
            2. Tap TURN OFF NOW.
          • Android 9 or Android 8
            1. Find and tap SettingsBatterySTAMINA mode.
            2. Tap the switch to disable STAMINA mode.
          • To restart your device
            If the battery level is low, your device may fail to restart. Connect your device to a charger and try restarting again.
            1. Long press the power key.
            2. In the menu that opens, tap Restart. The device restarts automatically.
        • Make sure you have subscribed to use the internet over a mobile network. Contact your network operator for detailed information.
        • Move to another area and try again. In areas with poor reception where there may be issues with your network provider's base station, you may lose your mobile data connection and, therefore, need to move to a different area.
        • When you use your device while moving, you may lose your mobile data connection due to issues with your network provider’s network. Your device is set to select the fastest network available automatically. If the signal strength of the fastest network is unstable, the device may repeatedly switch back and forth between mobile networks. Each time the device switches network, the connection is disabled.
          To select a network mode
          1. Find and tap SettingsNetwork & internetMobile network(SIMs in case of Android 12)
          2. If you’re using two SIM cards, select a SIM card.
          3. Tap Preferred network type, then select a network mode. You may find the item under Advanced.
      • If none of the mentioned solutions solve the issue

        Verify whether the problem was solved after the first action before trying the next one.

        • Update your device to ensure optimal performance and the latest enhancements.
        • Perform a factory data reset. This is sometimes the best solution if your device stops functioning properly, but note that it will delete all personal content saved on your device's internal memory. Make sure to back up the data that you want to keep.

          To back up your data using a computer

          To back up and synchronize apps, phone settings, and call history

          To perform a factory data reset (Android 14, Android 13, Android 12, Android 11, Android 10)

          To perform a factory data reset (Android 9)

          To perform a factory data reset (Android 8)