FRITZ!Box 6490 Cable Service - Knowledge Base
Can the FRITZ!Box be used with all cable connections?
Only the FRITZ!Box 6490 Cable with article number 20002778, the FRITZ!Box 6590, and the FRITZ!Box 6430 can be used with all cable connections.
FRITZ!Box cable products that are leased from providers and usually remain the property of the original cable provider cannot be used with all connections. Normally these products are provisioned for a certain cable connection and cannot be unprovisioned by AVM. In addition, only the the original cable provider can install FRITZ!OS updates on them.