Resetting the YubiKey 5 Series to factory defaults


The various applications of the YubiKey 5 Series and YubiKey 5 FIPS Series are separate, and reset individually. Each application, along with a link to the related reset instructions, is listed below. 

Application Reset Instructions
OTP Resetting the OTP application on the YubiKey
FIDO U2F / FIDO2 Resetting the FIDO2 application on the YubiKey
PIV (Smart Card) Resetting the Smart Card (PIV) application on the YubiKey
OATH Resetting the OATH application on the YubiKey
OpenPGP Resetting the OpenPGP application on the YubiKey
YubiHSM Auth* Resetting the YubiHSM Auth application on the YubiKey

 

*The YubiHSM Auth application is only available in YubiKey 5 Series firmware 5.4 or higher. Use Yubico Authenticator to check your YubiKey's firmware version.