Jailbreaking is highly recommended for iOS 5.1.1 because it allows you to bypass Apple's code-signing checks entirely.
Devices stuck on iOS 5.1.1—such as the original iPad 1st Generation or the 3rd Generation iPod Touch—cannot access modern applications. youtube ipa for ios 511 verified
To allow your jailbroken device to accept unsigned or archived IPA files without crashing instantly on launch: Open on your iOS 5.1.1 device. Tap Sources > Edit > Add . Jailbreaking is highly recommended for iOS 5
For enthusiasts who want to push their legacy device further, you are not strictly limited to the basic YouTube app. You can create a fully customized, tweaked IPA. Builders like (available on GitHub) allow users to pack multiple tweaks into one IPA file. This package can include: Tap Sources > Edit > Add
Wait for the progress bar to complete. The YouTube icon will appear on your iOS 5.1.1 home screen. Step 4: Making It Work (Fixing Connection Errors)
Which you are using (iPad 1, iPhone 4, etc.)? Whether you have access to a Mac or Windows PC ?