User's Manual

5 Basics
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5.2 Resetting the Device
If your device does not work properly or freezes due to unknown errors, you can force the device to restart.
To reset the device’s hardware
Press and hold the Power button and the Volume down button simultaneously until the device vibrates, and
then release the buttons.
The data on the device will remain saved when you perform the hardware reset.
To reset the device’s software
On the Home screen, tap > Backup & reset > Factory data reset. All settings and data, including
apps and personal content, will initialize, and the factory settings will be restored.
• Reset the device whose battery is charged enough not to make the device turn off suddenly during
resetting. You can reset the device, charging the battery with USB cable when the device has low
battery power.
• Back up any data and settings you want to keep before resetting the device to the factory default
settings.