What I’m asking is that I’d like to try this on a ‘test’ iPhone before I install it on my day-to-day phone. My old phone is an iPhone 6 which is stuck on iOS 12.x, I think. This not the case with AltStore. Developer Riley Testut announced today this https://alexisqiaqg.madmouseblog.com/9361862/altstore-una-panoramica