Well, the solution may be more, but try this to get started >> Connect your phone to your computer with a cable. Open the PC companion (your phone update program). Find it to fix your phone, your android will be updated and all damaged files will be repaired). Select a repair or you may need to return the phone to the factory settings. Reseni 2. Go to the router's address, you will find it on the back of the router, there is also a password, just enter the address in the address bar of the browser, go to the site, enter the password. When opened, I will find the security of the router and if you have set WPA2-PSK then switch encryption to WPA-PSK, if you have set WPA-PSK then try switching encryption to WPA2-PSK. ☠ ☠ ☣ ☠ ☣ ☠ ☣ ☠ ☢