Why? Because modern Netflix (v6+) doesn’t rely only on build.prop . It uses Google’s Play Integrity API, which looks at cryptographic signatures, not just text strings. Changing build.prop alone no longer works for recent Netflix versions. After more research, Alex found the correct, safe method (no build.prop editing needed):
The guide said: change ro.product.model to a known Netflix-certified device (like Pixel 6 ), then reboot.
Before editing any system files, search for your exact device + ROM + “Netflix Widevine L1” – you’ll often find a pre-made fix that doesn’t require manual build.prop changes.