Been having issues lately. Will rarely read my finger to unlock the screen, sometimes the text message volume will be incredibly loud when I only have it set on volume 1 and my battery dies all the time. It will go from 40% to 12% instantly but the second I plug it in, it's back at 34%. I've let the phone die completely and have done a recharge, I never charge it overnight, I've deleted all my fingerprints and re-added them. Nothing is helping and I can't figure out what is going on.
Read more: What's going on with my iPhone 5S?