m3 note finger print & back button not working

1_1468909376987_WP_20160718_21_20_56_Pro.mp4 0_1468909376985_WP_20160718_21_20_46_Pro.mp4

As you see in the video, my M3 notes’ touch button is not working. So, I use Smart touch to use my phone. Also, my fingerprint is not working. But, home button is worked. Do you have any solution…? Do you know, plz give me an answer.

Looks like your connection to Meizufans was lost, please wait while we try to reconnect.