Northwinds

Thanks but although the hack seems to work Airmail crashes still with the "Unsecure System" message? I'm on ios 13.2.2 on my ipad mini 4 - checkra1n jailbroken. I'm guessing I might have downloaded the latest airmail from the appstore, as I di buy the (non subscription) version legally - of course now it won't open on a jb'd device! Any ideas how to fix this, or downgrade Airmail? Thanks!