TubeFixer intercepts the app's requests to the dead Google API and redirects them. To make it work, you will need to:
YouTube IPA for iOS 5.1.1: How to Restore Video Playback on Legacy Devices Youtube Ipa For Ios 5.1.1
Before attempting to install a YouTube IPA on iOS 5.1.1, ensure you have the following: TubeFixer intercepts the app's requests to the dead
A Jailbroken Device: You cannot sideload modified legacy apps or apply necessary fixes on a stock iOS 5 system. Tools like Redsn0w or Absinthe are typically used for this firmware. The iPad 1 and early iPod Touch models
The iPad 1 and early iPod Touch models are marvels of hardware longevity, but software support is a different story. If you are holding a device running iOS 5.1.1, you have likely discovered that the official YouTube app no longer works, showing "Connection Error" or "Update Required" messages that cannot be cleared. However, thanks to the vintage Apple community, you can still turn these legacy devices into functional media players using specific IPA files and workarounds. Understanding the iOS 5.1.1 YouTube Dilemma