My Iphone 6 Plus Battery Dies Fast. Let go when the Apple logo appears. Then after two days I suddenly found.

The reason for this issue can be hidden location services external. After a couple weeks for playing with settings I finally have my Iphone 6s battery life at par. I had similar battery issues my iPhone 6 would shut down randomly and the battery would drain quickly after a full charge.
However some people have complained that iPhone 6 battery drain fast after iOS 10110210311 update.
IPhone 6s and earlier. Let go when the Apple logo appears. So I replaced my iPhone 6 Plus battery back in June. The best way to fix a fast dying.
