The message with BlackBerry Desktop manager is:
Handheld: USB: BlackBerry 8530 (serial)
Geben Sie Ihr Gerštekennwort (3/10) ein.
I would prefer to send the device to the owner before I tested all 10 of 10 passwords in my mind
Or can I be sure that he will not lose the data? I don't know if he has any BDI or BID or whatever the special service is called.