I have downloaded a hashed WTLS certificate (application/vnd.wap.hashed-certificate) onto a Nokia 6230. The certificate is installed successfully; it appears in the "authority certificates" store. Cross-certification and server authentication are checked for possible uses.

The installed certificate is the certificate of a root CA. When I connect to a server, which has a certificate issued by this CA, the phone still asks for confirmation of the certificate, although it should already be trusted. I have tried restarting the phone, but it did not help.

Any ideas?