Open Sideloadly. Drag the YouTube 12.57.ipa file into the Sideloadly window.
For devices where the official app shows an "update available" loop that prevents usage, the community often turns to jailbreak tools like . Tweaks such as YouTube Legacy download youtube ios 1257 top
: Even if you install an older version, YouTube may show a "Update Required" pop-up that blocks usage. Some users have found that deleting and reinstalling the app from the "Purchased" section can temporarily bypass this. Open Sideloadly