Getting YouTube running on iOS 5.1.1 (like on the iPad 1st Gen) requires a few workarounds because the original app and its legacy APIs are officially deprecated
Requirements:
If you prefer to keep your device stock or the above steps are too complex: Open the default Safari app. Head directly to the YouTube Mobile Website. youtube ipa for ios 511 verified
Web Browser (Limited): You can try using the mobile website (m.youtube.com) in Safari. However, due to outdated security certificates, many videos may fail to load. Using a browser like InterWeb (available on Cydia) can sometimes provide better compatibility. Getting YouTube running on iOS 5
refused to let their tech die. They discovered that while the raw IPA could still be downloaded from the Internet Archive The verified IPA file – search for YouTube 1
Known Limitations
YouTube 1.3.0 iOS 5.1.1 fixed IPA or TubeFixer YouTube.ipa from a trusted source (e.g., InvoxiPlayGames’ archive or MTMDev).MD5: 9e7c3a1b2f4d5c8e7a0b1c2d3e4f5a6b (example – verify checksums).