Preconditions:
You have the app, but it is not the modern YouTube. Here is the real-world experience in 2026:
Before you give up, run through this ultimate checklist:
Summary
Key points to cover
Detailed feature content
1. iOS 12.5.7 is very old
2. What happens when you try?
3. The "Last Compatible Version" trick (works if you had YouTube before)
If you’ve ever downloaded YouTube on that Apple ID (even years ago): Install Youtube Ios 12.5.7
Important limitations of that old version:
4. If you've never installed YouTube before