account arrowhead-down arrowhead-up mobile-menu search sm-bold-x x-skinny-rounded x-skinny arrowhead-right social-facebook social-googleplus social-instagram social-linkedin social-pinterest social-qzone social-renren social-tencent social-twitter social-vkontakt social-weibo social-youku social-youtube
    Help us improve our website
    Answer a few quick questions to evaluate your visit.

    I cannot connect to my home Wi-Fi network

    Arrow left Xperia™ Z4 Tablet support overview
    • Restart your device, and then turn Wi-Fi off and then on again.

    • Restart the router. Check that your router is Wi-Fi certified. Your device is Wi-Fi certified, so if the router isn’t, your devices may not communicate properly.


      To check if your router is Wi-Fi certified

      • Look for the Wi-Fi CERTIFIED™ logo or phrase on the product packaging or in the product literature, or search the Wi-Fi CERTIFIED™ products database on the Wi-Fi Alliance®‎ website at

    • Verify that you are in range of the Wi-Fi router. Check the Wi-Fi signal strength Icn sony stat sys wifi signal 4 in the status bar. If the signal is low, or there is no signal, move closer to the Wi-Fi hotspot, that is, your device that provides the Wi-Fi network.

    • Make sure that both your device and the router are using the latest software versions.
      • Device: Click here to check for software updates for your device.

      • Router: Contact the router manufacturer for instructions on how to update the router software.

    • Check the following router settings using a computer. If you are not sure how to change the settings, check the user guide of the router or contact your router manufacturer.
      • Network mode/speed: Change to auto or mixed mode instead of b, g or n.

      • SSID and password: Make sure there are no special characters or characters which are not in the standard ASCII character set.

      • DHCP: Make sure it’s turned on. You could also try setting a static IP address if you have problems accessing the internet using your Wi-Fi connection.

      • MAC filter: Make sure it’s turned off. Also set your device as allowed.

      • Channel: Try using another channel, preferably 11 or lower.

    • Add your device’s MAC address to the MAC filtering table of the Wi-Fi router. Some routers require your MAC address.

      For instructions on adding MAC addresses to the MAC filtering table of the router, refer to the router user guide or contact your router manufacturer.


      To check the MAC address of your device

      1. From your Home screen, tap Icn sony home apptray normal .
      2. Find and tap Settings > About phone > Status, then find Wi-Fi MAC address.

    • 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 the internal memory of your device. Make sure to back up data that you want to keep.


      To back up your data using a computer

      1. Make sure that Xperia™ Companion for Windows or Mac OS is installed on your PC or Mac®.
      2. Connect your device to the computer using a USB cable.
      3. Computer: Open the Xperia™ Companion software. After a few moments, the computer detects your device.
      4. Select Backup on the main screen.
      5. Follow the on-screen instructions to back up data from your device.

      To perform a factory data reset

      1. Back up any important data that is saved on the internal memory of your device to a memory card or other non-internal memory.
      2. From your Home screen, tap Icn sony home apptray normal.
      3. Find and tap Settings > Backup & reset > Factory data reset.
      4. Tap Reset phone.
      5. If required, draw your screen unlock pattern or enter your screen unlock password or PIN to continue.
      6. To confirm, tap Erase everything.


      To avoid permanent damage to your device, do not interrupt factory data reset procedure.


      After the factory data reset you will lose access to all the encrypted files on your SD card.


      Your device does not revert to an earlier software version of Android™ when you perform a factory data reset.

    Did you find this information helpful?
    Yes No
    Your input is valuable!
    Why didn't you find this information helpful?
    Thanks, we appreciate your input!