Open Cydia and add this repository: https://invoxiplaygames.uk .
The most stable and verified version for iOS 5.1.1 is or v1.3.0 . youtube ipa for ios 511 verified
Search for and install . This tweak redirects the app's requests to a working server. Generate a Google API Key: Go to the Google Cloud Console on a computer. Enable the YouTube Data API v3 . Create an API Key under "Credentials." Apply the Key: On your iPad/iPhone, go to Settings > TubeFixer . Open Cydia and add this repository: https://invoxiplaygames
Enable "Custom API Key" and paste your unique key into the field. Modern Alternatives (No Jailbreak) If you prefer not to jailbreak or deal with API keys: This tweak redirects the app's requests to a working server
Getting YouTube to run on iOS 5.1.1 (the final firmware for the original iPad 1) requires more than just a verified IPA file; because Google deprecated the original APIs years ago, even a working installation will often show connection errors unless patched. Verified YouTube IPA for iOS 5.1.1
You can find verified legacy IPA files on the Internet Archive , which hosts the original App Store packages for historical preservation.