Settings87battery saver›Set to reduce battery consumption by ending unnecessaryprograms when not in use. You can also view the remainingbattery life.date+time› If the battery remains fully discharged or removed fromthe device, the time and date will be reset.24-hour clock● : Set to the time to be displayed in 24-hourformat.Set automatically● : Automatically update the time whenyou move across time zones. Deactivate this feature to setyour time zone, time, and date manually.Time zone● : Select your home time zone.Date● : Set the current date manually.Time● : Set the current time manually.brightness›Automatically adjust● : Set your device to automaticallyadjust the brightness of the display according to lightconditions.Allowing the device to overheat may reduce themaximum brightness of the screen.Level● : Set the brightness of the display. This optionis available only when you deactivate the automaticadjustment feature.