Os Upgrade/Downgrade - Denso BHT-1600 User Manual

3.5. OS UPGRADE/DOWNGRADE

Updating the operating system on the handy terminal helps maintain it at an optimized
state; on the other hand, for maintenance needs, you may have to downgrade the device's
system backward to a specific version. To achieve these goals, you can have your device
upgraded or downgraded to your target OS version through the SD inserted in it or from the
device's internal storage.
1) Obtain the image zipped file you need.
2) Copy the file onto the root storage of your SD card. Insert the SD card into the memory
card slot on the handy terminal. Press Power button to power it on.
OR
Transfer the image file to the root directory of the handy terminal's internal storage via
USB cable.
3) Tap All Apps
4) A window will pop up asking you to input the password for system update (Please visit
http://www.denso-wave.com/
5) The handy terminal will search for and list all the available image files on the handy
terminal's storage. Select the image, and tap INSTALL to open an "Install update"
confirmation window. Tap Install in the confirmation window to begin the installation.
Note:
Make sure the SD card is inserted in the handy terminal. If not, the screen will show that
your system is currently up to date.
6) Once complete, a notification will appear showing that the system has been updated
successfully. Tap OK to start the Home screen.
Note:
The handy terminal will shut down during system update. Save any unfinished tasks and
data before updating the system in order to avoid data loss.
| Settings | About phone
to obtain the password). Enter the password and tap OK.
BHT-1600 Handy Terminal User Manual
| System updates.
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