unc0ver v4.0.0 is Available NOW. Includes full-fledged support for A12-A13 devices on iOS 13.0-13.3 with Cydia and system-wide tweak injection.

• Get it now from unc0ver.dev
• Install the jailbreak .ipa file using signing services; self-signing, or tools like AltStore.io

Read more about unc0ver v4.0.0 on the release post on the Jailbreak sub-reddit.