Reboot
You can reboot the device on its Settings > Advance > Reset&Reboot screen. Or, go to the Upgrade > Basic interface.
Besides, you can set up a reboot schedule to make the device restart at designated times.
Set it up on the Upgrade > Advanced > Reboot Schedule interface.
Reset
You can reset the device on its Settings > Advance > Reset&Reboot screen. Or, go to the Upgrade > Basic interface.
Reset to Factory Setting: Reset all data to the factory default.
Reset Config to Factory Setting: Retain the user data, such as contacts.
Factory Default: Reset all data to the factory default.
Except the start-up settings: Check to retain the initial settings, such as network and time zone.
Reset Config: Retain the user data, such as contacts.
Note
While the device is powering on, keep tapping the upper left corner on the device screen. It can also be reset.