However, you can use tools available through Cydia (like Filza, iFile, or AppSync Unified) to manually install IPA files on a jailbroken device. This is where the search query becomes relevant.

One of the most critical functions associated with the Cydia ecosystem is the ability to install IPA files (third-party applications not found on the App Store).

Enter your Apple ID email and password when prompted. If you have Two-Factor Authentication enabled, you must generate and use an app-specific password from the Apple ID website.

Enter your Apple ID and an "App-Specific Password" (generated via Apple's website).