Gigaset S850 Manual page 50

Additional functions using the PC interface
Carrying out a firmware update
¤
Connect the telephone and the PC using a USB data cable (
QuickSync Establish connection to the handset
¤
Start firmware update in Gigaset QuickSync . . . Information about this can be found in
Gigaset QuickSync help feature
The update process may take up to 10 minutes (not including download time).
Do not interrupt the process and do not remove the USB data cable.
The data are first downloaded from the online update server. The time required for this depends
on Internet connection speed.
The display on your telephone is switched off and the Message key
will flash.
Once the update is complete, your telephone will automatically restart.
Procedure in the event of an error
If the update procedure fails or the telephone no longer functions properly after the update,
repeat the update procedure:
¤
End the Gigaset QuickSync program on the PC
telephone Remove the battery (
¤
Carry out the firmware update again as described above
If the update procedure fails more than once or it is no longer possible to connect to the PC, carry
out the Emergency Update:
¤
End the Gigaset QuickSync program on the PC
Remove the USB data cable from the telephone
Remove the battery (
¤
Press and hold keys
with the forefinger and middle finger
battery
¤
Release keys
and the Talk key
¤
Carry out the firmware update as described above
Always save pictures and sounds uploaded onto the handset on the PC, as they are
deleted during an Emergency Update.
48
p. 7)
p. 7)
and at the same time
and . . . the Message key
will flash alternately
Remove the USB data cable from the
Replace the battery
Replace the
p. 9) Launch Gigaset
and the Talk key