If the old YouTube app becomes unusable (e.g., Google kills API access for iOS 9):
If your device is jailbroken (e.g., with Phoenix or HomeDepot for 32-bit devices on 9.3.5):
No resigning needed.
If you absolutely need YouTube on that device:
Otherwise, use the Safari method. It's the only reliable long-term solution. youtube ipa file for ios 9.3.5
YouTube version 14.39.12 (released late 2020) was the final version to support iOS 9.
Later versions (14.40+) require iOS 10+. If the old YouTube app becomes unusable (e
Even if you successfully sideload a working YouTube IPA, you must manage expectations. The A5 or A6 processor in iOS 9.3.5 devices cannot handle: