If you have a retro iDevice and want to use the contents of a legacy jailbreak archive:
Because you are dealing with old iOS versions and unstable enterprise certificates, errors are common. Here is how to fix them: jailbreaks.app legacy.html
Error: "Unable to Download App"
Error: "The URL was blocked by a content filter" If you have a retro iDevice and want
App Crashes Immediately Upon Opening
Assuming you have a compatible device (e.g., iPhone 5 on iOS 10.3.3), follow these steps precisely: Error: "The URL was blocked by a content filter"