Newer iOS versions (like iOS 26.4) have made certain advanced features like JIT (Just-In-Time) compilation harder to enable for sideloaded apps. Sideloading Tools Comparison
The user might be trying to sideload an older version of YouTube. But Apple doesn't allow downloading older versions from unauthorized sources. The App Store only shows the latest version, so they might need to restore the device or use TestFlight. Also, IPA files aren't portable like portable apps on Windows; they're specific to iOS devices and require configuration profiles or jailbreaking to install, which has security risks. youtube 13426 ipa download portable
Downloading modified versions of proprietary software frequently violates the developer’s Terms of Service, which can lead to account suspensions or permanent bans from Google services. Conclusion Newer iOS versions (like iOS 26
: A paid service that allows you to install IPAs directly from your phone without a computer. 📥 How to Install YouTube 13426 IPA The App Store only shows the latest version,