Samsung Galaxy S 5 User Manual page 359

Block background data: When enabled, your phone blocks the transfer of data in the
•
background. This may affect the performance of some apps.
• Restrict performance: Tap the ON/OFF switch to turn the option on, and then choose
the types of performance to restrict. Features such as vibration, screen backlight, and key
backlights consume power.
• Grayscale mode: Tap the ON/OFF switch to switch from color screens to grayscale.
Ultra power saving mode: Tap the ON/OFF switch to turn the mode on. When on, your

phone will conserve power by changing to grayscale screen mode, limiting the number of
usable apps, turning off mobile data when the screen is off, and turning off connectivity
features such as Wi-Fi and Bluetooth.
 Power saving modes are configured.
Settings 349