If you've never "purchased" Netflix on that account, log in to your Apple ID on a newer device (iOS 12+) and download it there first. It will then appear in your old device's library. 2. Check Compatibility for iOS 9.3.5 "Netflix officially requires
After jailbreaking your device, Cydia should be installed automatically. Cydia acts as an alternative to the App Store, allowing you to download and install IPA files and other jailbreak tweaks. netflix ipa for ios 9.3.5