I don't know if this matter but i droppymy iphone 5c at a low height yesterday, no cracks except theres a rattling sound inside like a loose screw. And recently after that incident everytime i would like my phone and wait 10seconds, it crashes. I press unlock and nothing happens. Home button, nothing happens. I reboot the phone and the same thing happens. So far whats working is putting on the never autolock setting. Help
Read more: My phone crashes when its locked?