up an applications list to allow some applications to keep running when your screen is inactive. Once the screen becomes active again, all paused functions are resumed.
If you are using a device with multiple users, you may need to log in as the owner, that is, the primary user, to activate or deactivate the STAMINA mode feature.
To activate STAMINA mode
1From your Home screen, tap 
.
2Find and tap Settings > Power management.
3Tap 
next to STAMINA mode, then tap Activate.
To deactivate STAMINA mode
1From your Home screen, tap 
.
2Find and tap Settings > Power management.
3Tap 
next to STAMINA mode.
To change the settings for STAMINA mode
1From your Home screen, tap 
.
2Find and tap Settings > Power management.
3To open the settings menu, tap STAMINA mode.
4Add or remove applications, as desired.
5When you're finished, tap Done.
Estimating the standby time of your device
Standby time refers to the amount of time the battery can last when your device is connected to the network but is not in active use. STAMINA mode, when activated, continuously evaluates the remaining standby time, which can vary depending on how you use your device. STAMINA mode is more effective in lengthening the standby time if you keep the screen of your device locked. If you rarely lock the screen, you may not see much improvement in battery performance.
When you use your device for the first time, the estimated standby time may not be accurate since there is no previous usage history to estimate from.
To view the estimated standby time
1From your Home screen, tap 
.
2Find and tap Settings > Power management.
Using Low battery mode
You can activate the Low battery mode feature to save power when the battery level is low. This feature helps you to adjust the settings for screen brightness and data traffic so that you can reduce battery consumption.
If you are using a device with multiple users, only the owner, that is, the primary user, can adjust the settings for Low battery mode as well as activate or deactivate the feature. Changes made by the owner affect all other users.
To activate Low battery mode
1Drag the status bar downwards, then tap 
.
2Find and tap Power management.
3Drag the slider beside Low battery mode to the right.
To deactivate Low battery mode
1From your Home screen, tap 
.
2Find and tap Settings > Power management.
3Tap 
next to Low battery mode.
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