These are almost always ad fraud or malware attempts. Legitimate jailbreaks are never distributed as a single IPA that “installs Cydia” without a proper exploit. Follow trusted communities: r/jailbreak on Reddit, the iPhone Dev Wiki, and established developers like unc0ver Team, Odyssey Team, and palera1n.
. It does not have a user interface but works in the background to disable Apple's signature checks. cydia install download ipa
Obtain the .ipa file from a trusted source on your computer. These are almost always ad fraud or malware attempts
Once AppSync Unified is active, you need a tool to actually "open" and install the IPA file. Filza File Manager the iPhone Dev Wiki