Chimera

Chimera is a semi-untethered jailbreak for A7-A11 devices running 12.0-12.2 and 12.4, A12 devices on 12.0-12.1.2, and tvOS 12.0-12.2 and 12.4. (Nonce setter only on 12.1.3-12.2 and 12.4 for A12 devices.)