@Popichilo: Sorry to hear that you're experiencing this issue. Can you double check that Flight Mode is disabled by heading to Settings > Connections > Flight Mode > Off. If it's already off, toggle it on, then off again to see if this helps at all.
To further troubleshoot this issue please head to Settings > Connections > Wi-Fi > Tap the cog symbol to the right of your router > Forget > Back > Toggle Wi-Fi off and on again > Select your router from the list of available connections, and run through the connection steps. Now, tap the cog next to your router > Advanced > MAC Address Type, and set this to Phone MAC. If the issue persists, please try pressing the Volume Down and Power buttons together for around 10 seconds until the phone restarts, as this will refresh the software and address any issues that might be a contributing factor. We also recommend resetting your router to ensure that there are no temporary network issues. If you are still unable to connect then please head to Settings > General Management > Reset > Reset Network Settings.
