If you are holding onto an original running the ancient but surprisingly capable iOS 12.5.7 , you might feel left behind by modern features. You cannot run the latest apps, you miss out on system-wide customizations, and Apple has essentially locked your device in a time capsule.
, find the profile associated with the jailbreak app, and tap Run Jailbreak : Open the Freya or Chimera app and tap the How To Jailbreak Ipad Air Ios 12.5.7-