
You then need to check for new software using a computer and the Xperia Companion computer application. However, some updates are not available for wireless download. Check for new software wirelessly in your device using Settings → System → Advanced → Software update → SYSTEM.If you touch and hold Power off, it might result in a restart into safe mode in some device models. Make sure that you just tap Power off when you restart your device, do not touch and hold.Make sure that the volume key, power key and camera key respond properly, and that they are not stuck in one position.A case might interfere with one of the physical keys of the device and prevent the device from starting properly. Verify after each action whether the problem was solved, before trying the next one: If you can't exit the safe mode by restarting the device, try these actions one after the other. In the pop-up menu, touch and hold Power off until the Reboot to safe mode message appears.While the device is powered on, press the power button and volume up button at the same time.* Note: For Xperia 1 IV, Xperia 10 IV and Xperia 5 IV ,
touch and hold Power off until the Reboot to safe mode message appears. In the pop-up menu, press the Power key. While the device is powered on, press and hold down the power key. (It is also possible to uninstall applications from inside safe mode.) If the problem is recent and you’re not sure which application is causing the problem, you can start by uninstalling the most recently downloaded one. You can exit safe mode by restarting the device and uninstall the application or applications you suspect are causing the problem. If the device performance improves in safe mode, it’s likely that one or more downloaded applications are affecting the device negatively. In safe mode, your device only starts with software and applications that were already installed when you purchased your device. Use safe mode to check whether a downloaded application is causing the problem. Valid forĭownloaded applications may affect the performance of your device or cause it to behave unpredictably. Check the Applicable Products and Categories section of this article before starting these steps. IMPORTANT: This article applies only to specific products and/or operating systems.