User manual

Settings
135
Power saving mode
Activate power-saving mode and change the settings for power-saving mode.
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CPU performance
: Set the device to limit some system resource usage.
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Screen output
: Set the device to decrease the brightness of the display.
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Haptic feedback
: Set the device to turn off the vibration when touching keys.
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Learn about Power saving
: Discover how to reduce battery consumption.
Storage
View memory information for your device and memory card, or format a memory card.
Formatting a memory card permanently deletes all data from it.
The actual available capacity of the internal memory is less than the specified
capacity because the operating system and default applications occupy part of the
memory. The available capacity may change when you upgrade the device.
Security
Change settings for securing the device.
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Encrypt device
: Set a password to encrypt data saved on the device. You must enter the
password each time you turn on the device.
Charge the battery before enabling this setting because it may take more than an
hour to encrypt your data.
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Encrypt external SD card
: Set the device to encrypt files on a memory card.
If you reset your device to the factory defaults with this setting enabled, the device
will not be able to read your encrypted files. Disable this setting before resetting the
device.