To optimize battery performance, multiple settings can be adjusted, including Mobile network, Wi-Fi, Location, and Power Saving.
To adjust the mobile network settings on the Gear S: Apps > Settings > Connections > Mobile Networks > Mobile Network. Choose "Auto on" or "Always off" to minimize power consumption.
Turn Wi-Fi off when not in use, in Settings > Connections > Wi-Fi.
Turn Location off when not in use, in Settings > Connections > Location.
When needed, activate power saving mode to save the battery power by limiting the Gear's functions. Tap Settings > Power Saving > Power saving mode > Turn on Power saving mode.
Power saving mode is now enabled.
Ensure that the display brightness is set to "Automatic" or to the lowest setting to prolong battery life.
To disable Power saving mode. From the clock screen, tap the Settings icon.