Resetting Your 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 / FIDO 2 Resetting the FIDO-U2F / FIDO2 Application on Your Yubikey
PIV (Smart Card) Resetting the Smart Card (PIV) Application on Your YubiKey
OATH Resetting the OATH Application on the YubiKey
OpenPGP Resetting the OpenPGP Application on Your YubiKey
YubiHSM Auth* Resetting the YubiHSM Auth Application on the YubiKey


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