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5.4.  System
There are 2 item in system : Date&Time and 
About.
5.4.1.  Date & time 
To set Auto Time On/O and time zone.
5.4.2.  About 
Main info in About:
  (1)  Local System updates
  (2)  Online System updates
  (3)  Legal information
  (4)  Android version 
  (5)  Kernel version 
  (6)  Build number
5.4.2.1 Local System updates
Will automatically search update.zip in USB. Will 
be shown in list for user selection if found 
Note:
  (1)  Only support Android Full image. 
  (2)  le name should be update.zip.
  (3)  the le should be located in root of storage.
After select update.zip le, Signage Display will 
restart and start to update.
5.4.2.2. Online System updates
Online system update can select
  (1)  Auto Update: When display power o, 
system will auto check the new version 
from OTA server. If new version found, 
system will auto update. After update 
complete, sytem will turn o.
  (2)  Set Schedule: User can set the update 
time.
  (3)  Manual update: User can update the OTA 
package manually.