MyFRITZ!App ne fonctionne plus

If you want to change the settings, you must be connected to your FRITZ! Box's wireless network.  Use the app to conveniently control your call diversions, smart home plugs and thermostats, answering machines, and other home network devices connected with your FRITZ! Box.  Question: Why can I no longer switch my wireless network and my guest network using the app? Several FRITZ!  Prerequisite for full scope of functions of the MyFRITZ! App: FRITZ! Box with FRITZ! OS version 7. 29 or higher.  Box, you must be connected to that FRITZ! Box's wireless network.  Prerequisite for using the MyFRITZ! App: FRITZ! Box with FRITZ! OS version 6. 50 or higher.  Enjoy mobile access to the photos, music and other data stored on your FRITZ! Box from anywhere.  Some internet service providers (including many cable providers) provide connections that do not allow you to access the home connection from the internet or certain restrictions apply because no public IPv4 address is provided. MyFRITZ!  Question: How can I log into a different FRITZ! Box? MyFRITZ!  If you also want to access the FRITZ!  Question: Why can't I access my FRITZ!  App offers you secure and easy access to your FRITZ!  If you want to switch to a different FRITZ!  Box in the app settings (gear) or tap "Add another FRITZ!  Boxes (for instance, the FRITZ! Box 7490) require FRITZ! OS 7. 10, which is currently not available for all FRITZ! Boxes.  If you also want to use all of the functions when you are on the go, the FRITZ!