User Manual

Chapter 3 — Developing and Installing Applications
CN4 Series Mobile Computer User’s Manual 73
When the file download is complete, the CN4 performs a warm boot
and starts to install the upgrade files. When the Today screen appears,
SSPB file installation begins. After all files are installed, you need to
reconnect the CN4 to your network.
Upgrading the CN4 Using a miniSD Card
To use a miniSD card to upgrade the computer, you need an SD card
reader and a miniSD adapter card formatted as FAT16.
To upgrade the operating system using a miniSD card
1 Copy all required OS upgrade files to the miniSD card.
2 Insert the miniSD card into the CN4. For help, see “Installing a
miniSD or SIM Card” on page 36.
3 Place the CN4 in a dock connected to external power and use a
stylus to press the Reset button located in the battery cavity on the
back of the CN4. For help, see “Cold Booting the CN4” on
page 84.
4 Remove the miniSD card when the Installation Complete menu
appears.
5 Remove the CN4 from the dock and replace the battery.
To upgrade the SSPB using a miniSD card
1 Copy all required SSPB upgrade files to the miniSD card.
2 Insert the miniSD card into the CN4.
3 Using the stylus, press the Reset button in the battery cavity on
the back of the CN4.
4 Press and hold the Power button as you insert the battery back
into the CN4.
5 Continue to hold the Power button until a Warning message
appears on the display.
6 Release the Power button, read the message, and press either
button on the right side to continue. Wait for the CN4 to load files
from the miniSD card.
7 When the progress is complete, the CN4 warm boots to reset the
configuration.