12
Note
：
1. time.txt input interface must be entered in English
2. Year/Month/Day and hour/minutes/seconds, ensure there is a space
3. When time update is successful time.txt will disappear
4. When camera is not used for long periods or not updated, time will
revert to the initial state, the initial state time is 2011.01.01 00:00:00
5. Remove the battery again after the update
