Introduction
Info.plist to report a newer version number (e.g., 18.x) to the YouTube API.iOS 9.3.5 is extremely outdated (released in 2016). The official YouTube app requires iOS 14 or later as of 2024. Even older versions of YouTube no longer work properly on iOS 9 because: download youtube ipa file for ios 935 fix
for side-loading, modern server-side changes often break these older versions immediately upon opening. Introduction
IPA files are used for installing applications on iOS devices. To download a YouTube IPA file for iOS 9.3.5, users typically look for third-party sources or repositories that host IPA files. Some popular sources include: Decrypting an older YouTube IPA
If you already have the app but it says "Update Required" and won't let you bypass it, you can "trick" the app into thinking it's a newer version. Jailbreak your device using the Phoenix jailbreak tool. Install Filza File Manager from Cydia.
Installing the IPA file using AltStore
If you have the app but it shows an unskippable update prompt, you must use a jailbreak fix like