If the first method fails, the most reliable solution is to bypass the app entirely. The mobile version of the YouTube website is highly optimized and works well on legacy devices.

Log into your Google account if you want to see your subscriptions and history.

While using an iPhone 6 or similar device in 2026 is challenging, via the "purchased" method or side-loading remains the best "exclusive" technique for keeping these devices useful for media consumption.

Look for the strings labeled and CFBundleVersion .

If this happens permanently, you must switch to the Safari web method. Google periodically changes its API, which can break older app builds permanently. Error: "Update Required" Pop-up

If you want to watch YouTube on these legacy devices, you have three main options: Official Web Browser (Safari) : The most reliable method is to use the YouTube Website

: Open the App Store and tap your Profile Icon at the top right. Go to Purchased : Tap on Purchased -> My Purchases .

You successfully installed the exclusive version, but a week later, videos stop loading. Here is why: Google updates its API.

The App Store will likely pop up a message stating, "The current version requires iOS 15 or later, but you can download the last compatible version." Tap Download or Install to confirm.

If you choose to proceed, use trusted tools like AltStore, stay updated via GitHub, and always back up your data. Enjoy your enhanced YouTube experience.