Samsung SM-G870ARREATT - Manual (Page 124)

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3. Tap the Show battery percentage check box to have the
battery percentage displayed on your battery charge
icon on your status bar.
Power saving mode
Power saving mode allows you to manage your phone to
conserve power. You can select Power mode to limit
performance on your phone to save power or select Ultra
power saving mode to save more power by adjusting the
screen to use grayscale and limit access to your applications.
1. From the main Settings screen, tap Power saving
mode.
2. Tap either Power saving mode or Ultra power saving
mode.
3. Touch and slide the slider to the right to turn it on
.
4. Tap any of the options listed under the mode that you
selected.
Storage
From this menu you can view the memory allocation for the
memory card and USB as well as mount or unmount the SD
card.
To view the memory allocation for your external SD card:
Ⅲ From the main Settings screen, tap Storage.
The available memory displays under the Total space
and Available space headings for both Device memory
and SD card.
SD card
Ⅲ Tap Unmount SD card to unmount your SD card so that
you can safely remove it, then tap OK.
– or –
1. Tap Format SD card to format your SD card. This will
delete all data on your SD card including music, videos,
and photos.
2. Tap Format SD card again.
3. Tap Delete all to continue or press to cancel.