What to do when touch function is gone on the Lenovo S660?

My touch function is gone while listening to music ,how to check if touch is damaged or OS is damaged plz help me were n how do I fix it

Please restart your phone first and see if touch is working again. If not, there must be something wrong with your phone and you need to contact Lenovo to find out where you can bring or send your phone for repair.

Not the answer you were looking for?