2.Tap Battery to view battery usage for apps and services. Tap an item for more information, or to configure options for managing power use.
Storage Settings
Manage the use of memory resources in your phone’s Device memory, and on an optional installed memory card (not included).
1.Press 
and then tap 
> Settings > More.
2.Tap Storage to view information about memory usage, and for other options:
Device memory: View memory usage for the different types of information stored on your phone’s memory. Tap an item for more information.
SD card: View memory usage for the different types of information stored on an optional installed memory card (not included).
•Mount SD card: Prepare an optional installed memory card for use as storage in the phone. This option is only available if an optional memory card is installed, and is not already mounted. Usually, your phone mounts a memory card as soon as you install it.
•Unmount SD card: Prepare an optional installed memory card for safe removal or formatting.
•Format SD card: Permanently remove all content from an optional installed memory card. After formatting, the content cannot be retrieved.
Date and Time Settings
By default, your phone obtains time and date information from the wireless network. If you are outside network coverage, or not connected to the network for other reasons, you may need to modify the date and time with Date and time settings.
1.Press 
and then tap 
> Settings > More.
2.Tap Date and time to configure settings:
Automatic date and time: When enabled, the device takes date and time updates from the wireless network.
Set date: Enter the current date (only available when Automatic date and time is disabled).
Set time: Enter the current time (only available when the Automatic setting is disabled).
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