Curiosando su ebay ho trovato questo:
http://cgi.ebay.it/Cambio-Annex-e-Lingua-FritzBox-Fon-WLAN-7170-Fritz-Box_W0QQitemZ200387229669QQcmdZViewItemQQptZsoftware?hash=item2ea80277e5&_trksid=p3286.c0.m14
http://cgi.ebay.it/Cambio-Annex-e-Lingua-FritzBox-Fon-WLAN-7170-Fritz-Box_W0QQitemZ200387229669QQcmdZViewItemQQptZsoftware?hash=item2ea80277e5&_trksid=p3286.c0.m14