Why Is My Iphone Se Losing Battery So Fast. If your screen is super bright then you can preserve some battery by dimming the brightness according to Apple. It reveals the current maximum capacity and peak performance capability.

To do this go to the Settings. In some cases the outdated app can create an issue. Green shows when the iPhone was running normally off of its own battery power while yellow shows when your iPhone was in Low.
The update always contains bug.
There is a simple method to self-check your battery draining. As you can imagine with Display Always On your Apple Watch will eat up a lot more battery. In some cases the outdated app can create an issue. A lot of things can cause your battery to drain quickly.
