my iphone6 keeps turning of every time i touch the volume what do i do

[iMore Question]

so i unlocked my iphone6 to watch a video and i couldnt hear it so i turned up my volume and it come plenty turned off for 45 min

 

[anon(9602380)]

Welcome to iMore!

My suggestion would be to do a hard reset. Hold the power & home button at the same time until you see the  logo. Then release the buttons and wait for it to finish. Hopefully this will solve the problem for you. Thanks!