Z:gnu-www-ja-proprietary-tyrants--227ede-A =3Cem=3Etyrant=3C/em=3E device is on/en

A tyrant device is one that refuses to allow users to install a different operating system or a modified operating system. These devices have measures to block execution of anything other than the &ldquo;approved&rdquo; system versions. We also refer to this practice as tivoization.