Look for YouTube version 13.42.6 or v10.x repacks, as these are generally the most stable for iOS 9.
Method 1: The App Store "Download Last Compatible Version" Trick youtube ipa for ios 935 repack
If the app opens but shows an error, use Filza to navigate to the YouTube app folder and change the CFBundleShortVersionString to a modern version (e.g., 17.03.2 ). ⚠️ Important Safety & Disclaimer Look for YouTube version 13
This is a "legacy App Store" that hosts modified IPAs and older versions of apps specifically repacked to work on older hardware. It is available through the yzu.moe/dev repository. 3. Sideloading a Pre-Modified IPA youtube ipa for ios 935 repack
As with any modified app, there are pros and cons to consider:
Look for "YouTube iOS 9 Repack" on community forums like r/LegacyJailbreak .