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To download the YouTube app for iOS 7.1.2, you can use the App Store's "Purchased" section to find a compatible version or sideload a specific IPA file like YouTube 11.19.7. While the current YouTube app officially requires iOS 14 or later, legacy versions can still be installed on older hardware like the iPhone 4. Method 1: The App Store "Last Compatible Version" Hack
If your Apple ID has downloaded YouTube in the past, you can often download the "last compatible version" without an IPA file: Open the App Store on your iOS 7.1.2 device. Tap the Purchased tab at the bottom. Search for "YouTube" and tap the cloud icon. Youtube Ipa For Ios 7.1 2 Download
Conclusion
The Drawback: Free developer certificates expire after 7 days. You will need to repeat this process weekly, or the app will crash upon opening. To download the YouTube app for iOS 7