This is not arbitrary. Netflix uses time-based encryption tokens to prevent piracy and unauthorized sharing. When your device’s clock drifts even a few minutes off the atomic standard, the token you present to Netflix looks like a counterfeit. The server does not say, “Please update your clock.” It simply refuses the handshake, spitting out the 5.7.1 error code. The cause is often mundane: a smart TV that lost power during a storm, a game console whose internal battery died, or a router that is incorrectly assigning a time zone.
Look under Settings > General > Reset (often requires a PIN, default is 0000 or 1111). Netflix 5.7.1 Error
It usually indicates that data stored on your device or an app-specific glitch is preventing Netflix from playing your video Here is a guide on how to fix this error: Immediate Fixes Force Stop the App : Go to your device settings, find the Netflix app info , and select Force stop . Reopen the app and try playing the video again. Restart Your Device This is not arbitrary