Recently I read an article on Overthought about iOS battery drain. I’ve read many articles with hints and tips but this guy worked in a genius bar for 2 years so has a bit more “insider” knowledge as it were. I followed his advice here:
And found my battery is lasting a lot longer! The main culprit I found on my phone was Waze. Even though I always put Waze to sleep, it was still keeping my phone active even when asleep. I disabled background app refresh and now I still have 30% battery in the morning instead of the usual 5%! Go read, it may help you too!