User's Manual

14
other functions in “Wireless & networks”
option.
6-1-2. To view and set brightness, sleep time, font,
rotation, notification, TF card, USB flash disk
and other functions in “Device” option.
6-1-3. To manage position, screen lock, password,
account, language, input and other functions
in ”Personal” option.
6-1-4. When unrecovered problems occurred, try to
click “Backup & reset” and “Factory data
reset” then follow the instructions. Device will
delete settings and applications after restart,
and restore to factory defaults.
(Please backup all important files before
reset. Otherwise files will be deleted
automatically and restore to factory defaults.)
6-1-5. To set date & time and accessibility
in ”System” option; Do NOT operate if
unfamiliar with “Developer options”.