I recently bought a Lumia 630. Due to a bluetooth problem, I had to make a factory reset of the phone. After it, I am not able to disable the vibration when touching the navigation icons. When I turn on/off Vibrate from the sounds settings, nothing happens. I searched for a solution on the internet, and read that there is a "touch" setting in the settings menu, but I don't have one. Also, I can't software-update the phone, since the Win 8.1 is up to date. Any suggestions? Thank you.