I Have note 3 SMN900T ,With the 5.0 lollipop version. I am somehow unable to pinch zoom I have to double tap which doesn't...

i am experiencing the same problem with my device of the same model,but normally it turns on once plugged in with or without the battery i had the charging port checked and it is in great order i also tried the bottom portion of my charger on another device and it woeks just perfect i dont know what to do.