Basics
Ultra power saving mode
Use this mode to extend the device’s battery power. In ultra power saving mode, the device performs the following:
•Restricts the available apps to essential and selected apps only.
•Deactivates the
On the Home screen, tap Apps →Settings →Battery →Ultra power saving mode, and then tap the switch to activate it.
To deactivate ultra power saving mode, tap MORE →Disable Ultra power saving mode.
The usage time left shows the time remaining before the battery power runs out. Usage time left may vary depending on your device settings and operating conditions.
Memory card (microSD card)
Installing a memory card
Your device accepts memory cards with maximum capacities of 256 GB. Depending on the memory card manufacturer and type, some memory cards may not be compatible with your device.
•Some memory cards may not be fully compatible with the device. Using an
incompatible card may damage the device or the memory card, or corrupt the data stored in it.
•Use caution to insert the memory card
•The device supports the FAT and the exFAT file systems for memory cards. When inserting a card formatted in a different file system, the device asks to reformat the memory card.
•Frequent writing and erasing of data shortens the lifespan of memory cards.
•When inserting a memory card into the device, the memory card’s file directory appears in the My Files →SD card folder.
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