Chosen Solution
My Iphone 6s was restarting itself over and over again,sometimes it restarted when apple logo was on and sometimes restarted when I was using it,after a time it started to shutdown and i could open it after 1 day with a hard reset.This time it just turned off and now it is not opening.Please help me! Note:I have tried all of thing except restorimg it.
Your description points to a faulty battery. Replace the battery and all should be good.
