If you are on iOS 10.3.4, you are in luck—this version is jailbreakable using Helix (for 32-bit devices) or TotallyNotSpyware (for 64-bit devices still on 10.3.4? Very few). The most famous jailbreak for iPhone 4S/5 on 10.3.4 is Phoenix.
You will likely encounter this error: "Can't sign in. Google couldn't verify that this account belongs to you."
This happens because YouTube v14.02.1 uses an older OAuth web view that Google deprecated in 2022. To fix this, you must modify the IPA using a tool called Legacy iOS Kit or use a trick with the browser. Youtube Ipa For Ios 10.3.4
If you want, I can sketch a simple screen flow or produce a manifest of required APIs and file permissions for building this IPA.
(related search suggestions prepared)
Official support for the YouTube app on iOS 10.3.4 has ended, as the app now generally requires iOS 16.0 or later. However, users with legacy devices like the iPhone 5 or iPad 4th Generation can still access YouTube using several community-driven methods. Common Fixes and IPA Options
Because the native app often displays an "Error Loading / Tap to Retry" or "Update Required" message, you must either modify the app's version data or use a modified IPA. If you are on iOS 10
Here is the feature breakdown for YouTube IPA compatible with iOS 10.3.4 (typically version 15.41.4 or earlier, as modern YouTube no longer supports iOS 10).
Since iOS 10.3.4 only runs on 32-bit devices (iPhone 5, iPhone 5c, iPad 4th gen) or older 64-bit devices that stopped at iOS 10 (iPhone 6 can go higher, but 10.3.4 is the last for iPhone 5 series), the IPA you’re looking for is an old version with limited functionality. You will likely encounter this error: "Can't sign in
Warning: The internet is filled with "YouTube IPA" files that are either malware, broken, or require a subscription. You want a clean, decrypted IPA.