If you prefer not to jailbreak, you can sideload signed IPA files using a computer.
If you are trying to revive an older device like an iPad Mini 1 or iPad 2, here are the most effective methods: ipa apps ios 935 patched
Fixes login server handshake errors and streamlines audio caching for older hardware. Functional. If you prefer not to jailbreak, you can
Many old apps like YouTube or Weather will install perfectly but display "Connection Error" when opened. This happens because the backend APIs or servers the app talks to have changed over the years. To fix this on a jailbroken device, you must install custom tweaks from Cydia (such as for old YouTube clients) to reroute the app data to working servers. Many old apps like YouTube or Weather will
The use of IPA apps such as these can vary widely for use on several mobile related devices. There could be more to look into on this topic.
To install a patched IPA that you didn't get from the App Store, you typically need to "sideload" it using a computer: How To Jailbreak iOS 9.3.5 With PC or Mac 2024!