Hello how may I help you? I need to change settings on my phone. What would you like to change them to? I need to set my phone to vibrate. Do you want it to just vibrate and not vibrate with a ringtone? I want it to vibrate only. Okay, it all set for you Can you also set the brightness to 50%? Brightness has been set to 50%, is there anything else i can help you with? That is all. Thank you! You're welcome