Find the keys labeled and CFBundleVersion .
For a more stable experience on legacy devices, the community recommends the tweak. youtube ipa for ios 1034 link
Ensure that the Apple ID you are using on your iOS 10.3.4 device has previously downloaded the YouTube app at some point in the past (even years ago on a different device). If it’s a fresh Apple ID, you cannot use this method. Find the keys labeled and CFBundleVersion
Look for "YouTube iOS 10.3.4 IPA" on reputable archives like MTMDev or archive.org . Connect Device: Plug your iPhone/iPad into your PC or Mac. Sideload: Use Sideloadly to drag the IPA onto your device. If it’s a fresh Apple ID, you cannot use this method
On your iOS device, go to Settings > General > Device Management , find your Apple ID, and tap Trust .
Save the changes, exit Filza, and reboot the YouTube app. The app will now trick Google's servers into believing it is the modern version, restoring video functionality. Alternative: Web-Based Bypasses
A community-driven archive hosted on platforms like the Internet Archive (archive.org) that preserves untouched and modified IPAs for vintage devices.