The recent update enabled players to use the battery saver mode again. By turning on the battery saver, you can enjoy Pokemon Go ans walk around your town longer without worrying about quick decrease of battery.
The following video explains how the battery saver function works. Additionally, the description of the video is below.
The battery saver mode is turned on for the phone in the screenshot above. A player can enjoy Pokemon Go as usual even while the function is on.
Once you hold your phone upside down, the display become dark to save battery. However, the app is still on and tells you when a wild Pokemon appears by vibration.
