AVM Content
Knowledge Base
- Info LED flashes red or several LEDs on the FRITZ!Box flash constantly
- Installing an older FRITZ!OS (downgrade)
- Integrated fax reception fails occasionally or always fails
- Integrated fax transmission fails occasionally or always fails
- Internet access over a different modem / router is slow
- Internet access over the FRITZ!Box is slow
- Internet calls take a very long time to establish
- Internet connection is cleared briefly
- Internet telephone numbers cannot be entered or edited
- Internet telephone numbers from Deutsche Telekom behind a Speedport Hybrid are not registered
- LAN connection to FRITZ!Box cannot be established
- Listening to internet radio with FRITZ!Fon
- Locking the buttons on the FRITZ!Box
- Making internet calls over the FRITZ!Box's VPN connection
- Making the message key on FRITZ!Fon stop flashing