The unc0ver jailbreak supports a semi-untethered jailbreak on iOS & iPadOS 14.0-14.3 and a fully unethered jailbreak on arm64e devices (iPhone XS and later) running iOS 14.4-14.5.1, which means that the tool is now compatible with all versions of iOS & iPadOS ranging from 11.0-14.3 (and 14.4-14.5.1 with a big asterisk). To date, AltStore is the best and most reliable way to install the unc0ver jailbreak app on your iPhone or iPad.
As long as your iPhone or iPad is running running iOS or iPadOS 12.2 or later, then you can use AltStore to install the unc0ver jailbreak, and in this tutorial, we walk you through the steps necessary to make it happen so you can reap all the benefits.