Siemens S790 User Manual page 79

Additional functions via the PC interface
Completing a firmware update
¤
Connect you phone to your PC using a
USB data cable (
¤
Start the "Gigaset QuickSync" program
on your PC.
¤
Establish a connection to your handset.
¤
Select [Settings]
ties] to open the [Device] tab.
¤
Click on [Firmware update].
This launches the firmware update.
The update process can take up to 10 min-
utes (not including the download time).
Do not interrupt the process or remove
the USB data cable.
The data is initially loaded from the
update server on the Internet. The
amount of time this takes is dependent on
the speed of your Internet connection.
The display on your phone is switched off
and the message key f and the talk key
c start flashing.
Once the update is complete, your phone
will automatically restart.
Procedure in case of an error
If the update procedure fails or your
phone does not work properly following
the update, repeat the update procedure
as follows:
¤
Close the "Gigaset QuickSync" pro-
gram on the PC.
¤
Remove the USB data cable from the
telephone.
¤
Remove the battery (
¤
Replace the battery.
¤
Complete the firmware update as
described.
If the update procedure fails several times
or you can no longer connect to the PC,
proceed as follows:
¤
Close the "Gigaset QuickSync" pro-
gram on the PC.
¤
Remove the USB data cable from the
telephone.
¤
Remove the battery (
78
¢
page 17).
¢
[Device proper-
¢
page 12).
¢
page 12).
¤
Press and hold keys 4 and L with
the index and middle finger.
¤
Replace the battery.
¤
Release keys 4 and L. The mes-
sage key f and the talk key c will
flash alternately.
¤
Complete the firmware update as
described.