The only way a "Netflix IPA" might work on iOS 15 is if your device is jailbroken. A jailbreak removes Apple’s code-signing restrictions, allowing you to install tweaks like or PerfectNetflix from Cydia or Sileo.
A computer (Mac or Windows), Apple ID, and the open-source tool Sideloadly . netflix ipa ios 15
Are you running into a like "Unable to Purchase" while trying to download? AI responses may include mistakes. Learn more How To Install Apps On Old iPad - Netflix - Spotify The only way a "Netflix IPA" might work