If you have never downloaded YouTube on your Apple ID before, the App Store may simply tell you it is "unsupported". Here is the workaround:
The "link" contained a loop script that filled the cache with junk data. Restoring from backup was impossible because the malware had corrupted iCloud sync. download youtube ios 1257 link
To summarize the search for : the original, legitimate link no longer exists on Apple’s servers. Any link you find online is either a scam, malware, or a sideloaded file that will break within a week. If you have never downloaded YouTube on your