nguyen0892 years ago000Hello I have a question, what is the firmware version number of the Yubico YubiKey 5 NFC? It should be 5.3.x or 5.4.x, Secure Channel (SCP03) is very important to me.Show in original language (German)martylama2 years ago000Mine is also 5.4.3Show in original language (German)CommentAnonymous2 years ago000The one I bought in August 2022 has the firmware version: 5.4.3Show in original language (French)Comment