The App Store won't let you download the last compatible version because Google has changed their API keys. Essentially, the official app is .
If you attempt to use an old version of YouTube downloaded natively from your App Store purchase history, you will likely encounter one of two errors:
Download the YouTube .ipa directly onto your device using the Safari browser.
Installing a YouTube IPA on iOS 9.3.5 requires a process called "sideloading"—installing an app from outside the official App Store. While slightly technical, it's a safe and well-documented process. Youtube.ipa For Ios 9.3.5
This is the safest method if you have previously downloaded YouTube on any Apple device using your current Apple ID. on your iOS 9 device. Go to the Purchased tab at the bottom. Search for YouTube in the list. Tap the Cloud icon next to it.
Change their values from the old version (e.g., 11.45.9 ) to a modern version (e.g., 16.10.2 or higher). Save the file, close it, and restart the YouTube app.
Apple and Google have shifted their architecture to support 64-bit systems and modern APIs. iOS 9.3.5 is a 32-bit operating system. Because Google changed its server-side protocols, older versions of the YouTube app can no longer communicate with YouTube’s servers, resulting in connection errors even if you manage to install the app. Prerequisites Before You Begin The App Store won't let you download the
If you cannot get the App Store version to work, you can download a pre-patched .ipa file from a trusted legacy repository.
On your iOS device, go to (or Profiles & Device Management). Tap on your Apple ID email . Select Trust [Your Apple ID] and confirm. Fixing the "Error Loading / Update Required" Loop
Search for "iOS 9 legacy ipa collection" or "YouTube 12.11.6 ipa." This is the safest public repository. Installing a YouTube IPA on iOS 9
If the App Store trick fails, you must manually download the .ipa file and inject it using desktop software. Step 1: Download the YouTube iOS 9.3.5 .ipa
: Type "YouTube" in the search bar within the Purchased section.
