To temporarily remove the system software update notification icon By updating your device to the latest available software also reduces the risk of having to hand it in for repair to a service center. Note! It is highly recommended for you to go through with software updates as it increases the overall performance and improves the security protection of the device. The update notification will reappear after a restart of your Xperia device, or if you search for an update manually. You can however deactivate it temporarily. In Android version 5.0 or higher, it is not possible to permanently deactivate the system software update notification. The software update notification icon is designed to appear whenever there is new system software available.
