Subreddits like r/LegacyiOS maintain curated spreadsheets of working IPAs for older firmware.
Finding a working YouTube IPA for iOS 9.3.5 can be frustrating, as official app support for this older version of iOS has long since ceased. However, you can still enjoy YouTube on an older device like an iPhone 4S, iPad 2, or iPad Mini (1st gen) running iOS 9.3.5 by installing a compatible version of the YouTube app.
Would you like the AltStore steps or search-term suggestions? Youtube Ipa For Ios 9.3.5
How to Install and Use YouTube IPA on iOS 9.3.5 (iPhone/iPad)
Open Cydia, search for "Filza File Manager", and install it. Would you like the AltStore steps or search-term suggestions
If you use with a free Apple ID, the certificate will expire after 7 days. The app will stop opening.
Open the new YouTube app on your home screen. You will likely see an error: "YouTube requires iOS 10 or higher to run" . The app will stop opening
Because iOS 9.3.5 is 32‑bit, you need an IPA built for ARMv7 (32‑bit) and a version of YouTube that still supports older devices. The last known 32‑bit YouTube version is around . You can find such IPA files on:
Drag and drop the downloaded into the IPA box in Sideloadly. Enter your Apple ID email in the designated field.
Crucial Step: Before opening the app, go to (or Profiles). Find your Apple ID, tap it, and select Trust .