The 0 button got smaller in the PIN unlock screen between Android 4.1 and Android 4.2. This decreases security because it makes PINs slower to type (Fitts Law), increasing their vulnerability to shoulder surfing.
The 0 button got smaller in the PIN unlock screen between Android 4.1 and Android 4.2. This decreases security because it makes PINs slower to type (Fitts Law), increasing their vulnerability to shoulder surfing.
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