Hello. On the main splash screen to run your finger across the screen from top to bottom. The symbol of the cog to push and keep 5~7 seconds. Add the function System UI Tuner in the settings menu. Enter the menu settings, System UI Tuner . Status. Battery. To choose to always display the % of charge.
Hello. No sorry.
Hi user 351,actually if you install Tiles.apk or Tiles extention for Nougat.apk from market,in the drop down menu the percentage of battery will be white on black ! :-)