FRITZ!Box 6840 LTE Service - Knowledge Base
Installing the latest FRITZ!Fon software
AVM provides free updates for the FRITZ!Fon on a regular basis that enhance add new functions to the telephone.
The software version indicated by your telephone depends on the version of FRITZ!OS installed on your FRITZ!Box. Therefore, install the latest FRITZ!OS for your FRITZ!Box first and then register the telephone with the FRITZ!Box:
Installing the latest FRITZ!OS for the FRITZ!Box
- Install the latest FRITZ!OS on your FRITZ!Box.
- Register the telephone with the FRITZ!Box.
2 Installing the latest software
- Press the "Menu" key on the telephone.
- Scroll to "Settings" and press "OK".
- "Firmware update" or "Software update" > "OK"
- The telephone checks whether a new version is available.
- Press "OK" if a new version is available.
- Now the new software is transmitted to your telephone. As soon as the telephone has restarted, the update has been completed.