Feasibility and Risk Assessment of Downloading Old YouTube Versions on iOS

If you have downloaded YouTube before using your current Apple ID, you can often download the "last compatible version" directly from Apple: on your older iPhone or iPad. Tap your Profile Icon in the top-right corner. Go to "Purchased" (or "My Purchases"). Search for "YouTube" in the list of apps. Tap the Cloud Icon next to it.

: A prompt will appear stating, "Download an older version of this app?" Select Download to install the version compatible with your current iOS. If You Haven't Downloaded it Before

To download an older, compatible version of YouTube on your iOS device for free, the safest and most reliable method is to use your existing Apple ID's purchase history. This avoids the risks associated with third-party sites or jailbreaking. Official App Store Method

: If the older app opens but tells you an update is required, you may need a jailbreak tweak like "YouTube Legacy" to bypass this.