Android/Google 24 hour lockout and Android/Google 72 hour lockout are the same thing. Android/Google 72 hour lockout is Predecessor for Android/Google 24 hour lockout. In 2015, Google set 72 hour lockout to protect your phone, then, changed to 24 hour for so may complaints. Android 24 hour lockout and Android 72 hour lockout are one case of RFP(Factory Reset Protection).