====== New smartphone? ======

===== With old one still working =====
You can access the dedicated web service
        
https://mfa.app.infn.it/ 

using your old smartphone to generate the OTP before you dispose of it completely, and obtain a new token to be registered in the new device

===== If you cannot access to your old device =====

Please access to

https://mfa.app.infn.it/ 

using SPiD or CIE credentials (available also for non italian citizens, under some restrictions, so it is possible you have it also if you are not italian)

===== None of above =====
You can open a support ticket sending an e-mail from any of your e-mail address registered into INFN-AAI, to

aai-support@infn.it

Yow will receive a one-time token that you will use to access the web service

https://mfa.app.infn.it/

and obtain a new token.