Running YouTube on iOS 9.3.5 in 2026 is challenging because the official app requires much newer firmware
Practical steps (safe path)
If you are holding an iPhone 4s or an original iPad Mini, you are intimately familiar with the pain of iOS 9.3.5. Apple considers these devices "obsolete," and as a result, the official YouTube app requires iOS 10 or later to function. For years, users of A5 and A6 chip devices have been staring at the dreaded message: "YouTube requires iOS 10.0 or later." youtube ipa for ios 935