Resetting Your YubiKey 5 series to Factory Defaults


The  YubiKey 5 series have five separate applications, all of which have different processes for being reset. Each application is listed below, along with the link to the article that covers the steps for resetting it. 

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